Chapter 3: Accessing the Law and Legal Literature

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A single word, like just the difference between and and or in a legal document, can literally be the sole reason a person goes to prison or walks free.

Yeah, it really is that precise.

It is.

And if you are a college student staring down your very first forensic psychology exam right now, take a deep breath.

You are in the right place.

I'd pick you covered.

Consider this deep dive your personalized one -on -one tutoring session.

Today, the Last Minute Lecture team is unpacking a massive topic from chapter three, which is accessing the law and legal literature.

And we are going to break this down step by step.

So by the end of the session, you won't just be memorizing terms on flashcards.

You will actually understand the mechanics of how they all fit together, which is huge.

Right.

And the foundation of this entire field really rests on understanding forensic mental health assessment or FMHA.

But before we even look at the law itself, we need to clearly distinguish an FMHA from a general clinical assessment.

Because I think a lot of people just assume, well, a psychological evaluation is a psychological evaluation, regardless of where it happens.

Oh, absolutely.

It's a really common misconception, but the distinction is everything.

In a general clinical assessment, your referral question is clinical.

You're trying to help the patient diagnose a condition and formulate a treatment plan.

Right.

It's about healing.

Exactly.

But an FMHA is entirely different.

It is strictly guided by a specific legal issue that's defined by the jurisdiction's law.

So the goal is not treatment.

The goal is to assist a court in legal decision -making or to help attorneys represent their client.

Let me try an analogy here to ground this for you as you study.

Doing a clinical assessment is sort of like playing a game of chess.

You know the rules, you are looking at the board, and you rely on your clinical strategy.

But conducting an FMHA without understanding the specific legal framework, that's like sitting down to play a complex board game where the rule book is written in a language you just don't speak.

That's a perfect way to put it.

It absolutely doesn't matter how good your underlying psychological strategy is.

Because you cannot win if you do not know the rules of the specific game you're in.

And that language barrier is the exact reason forensic psychologists have to act as translators.

I mean, the courts speak one language and psychology speaks another.

Legal definitions like whether a defendant's actions were knowing, intelligent, and voluntary, or whether they have competence to stand trial,

those are not psychological concepts.

Right, there's no DSM code for that.

Exactly.

There is no diagnostic manual that has a neat little checklist for a knowing and voluntary state of mind.

Wait, I want to push back on that, or at least play devil's advocate for a second.

Okay, go for it.

If a psychologist diagnoses someone with severe schizophrenia,

isn't that automatically enough to say they're legally incompetent?

It seems like, you know, a severe diagnosis should just be a blanket answer for the court.

See, that is the exact trap many clinicians fall into when they first step into a courtroom.

A clinical diagnosis alone is almost never enough to answer a legal question.

Yeah, the law does not presume that a psychiatric condition equals legal incompetency.

Instead, the psychologist has to translate that legal concept of competence into measurable functional capacities.

So breaking it down into what the person can actually do in the real world.

Precisely, can the specific person, despite their schizophrenia,

functionally understand and assist their attorney?

Do they know what a plea deal is?

Can they follow the timeline of the trial?

Right, it's about observable abilities relevant to the specific legal question, not just slapping a diagnostic label on them.

But you said a clinical diagnosis is almost never enough.

I imagine there has to be an exception to that rule, right?

There is, and it is a vital one for your exam, so definitely write this down.

In the 2002 U .S.

Supreme Court case, Atkins v.

Virginia, the court created a bright line rule under the Eighth Amendment, which prohibits cruel and unusual punishment.

They categorically excluded offenders with intellectual disabilities from capital punishment.

So in that specific rare circumstance, the clinical diagnosis of intellectual disability actually is the ultimate legal issue.

But outside of that very specific scenario, you are almost always assessing functional capacity.

And to assess that functional capacity, you obviously have to use the right tools.

Which means you have to get your science past the judge.

The court has to have a filter for what science they actually allow in the room, right?

They do, and those filters are called evidentiary standards.

You have to ensure your testimony and your assessment tools are admissible.

In the federal court system, and actually the majority of states, you're working under the Daubert standard.

Daubert.

Right, which is specifically connected to Federal Rule of Evidence 702.

The mechanism behind Daubert is that it makes the judge a gatekeeper.

A gatekeeper for the science.

Exactly.

It requires the scientific evidence to be relevant and reliable, meaning the judge actually looks at error rates, peer review, and the scientific method itself.

But not everywhere uses Daubert.

Correct.

Some jurisdictions still use the older, slightly less stringent Frye standard from back in 1923.

So what's the difference?

Well, Frye doesn't ask the judge to evaluate the scientific method directly.

It simply asks if the procedure has general acceptance in the scientific community.

Like, do most other experts use this tool?

Got it.

And you must know which standard applies in your jurisdiction before you even select your assessment instruments, or your entire evaluation could just be thrown out.

So you pass the gatekeeper,

your science is in the room.

But how far can you actually take your conclusion?

That's the million dollar question.

Right.

This leads us to ultimate issue testimony, where the psychologist actually tries to answer the final legal question for the court.

Like, stating flat out, this person was insane at the time of the crime.

And this remains a massive ongoing debate in the field.

Under Federal Rules of Evidence 704A, ultimate issue testimony is generally allowed.

Okay, but there's an exception.

A huge exception you need to memorize.

Rule 704.

This rule strictly forbids expert witnesses in federal criminal trials from stating an opinion on whether a defendant actually possessed the mental state that constitutes the crime.

So the law is essentially saying, give us the psychological data, but do not act like the jury.

Exactly.

Stay in your lane.

Given that conflict, what is the actual best practice today for someone doing this?

Even in jurisdictions where it is technically allowed, current best practice standards suggest forensic practitioners should just refrain from offering ultimate issue testimony entirely.

Let's avoid it.

Yeah.

You provide the functional capacity analysis, you explain the psychological mechanisms, and then you step back to let the judge or jury make that final moral and legal judgment.

And when professionals ignore these rules, things get messy fast.

Thomas Grisseau outlined three major criticisms of what happens when mental health professionals fail to understand the law.

Yes.

His 2003 critiques are foundational.

First is ignorance and irrelevance.

This is when a clinician substitutes a diagnostic label for a functional ability, rendering their testimony legally useless, right?

Spot on.

That goes back to just saying they have schizophrenia and thinking your job is done.

Right.

And second is intrusion into matters of law.

Which is exactly what we just discussed with 704B.

That's inappropriately giving ultimate issue testimony and stepping on the jury's toes.

And then the third one is insufficiency and incredibility.

This happens when an expert draws massive legal conclusions without the actual scientific evidence to back them up.

Exactly.

And if you don't understand the legal framework, you will fail the court on all three of those fronts.

Okay.

So we've covered why we need to understand the law.

Let's shift to the what?

Where do we actually find these rules?

Well, in the United States legal system, we categorize the law into primary sources and secondary sources.

Primary sources are the documents that actually make the law.

The real deal.

Right.

And there are three pillars here.

First, statutory law.

This is the black letter law enacted by legislatures or Congress.

For example, 18 USC section 2340A is the specific federal statute criminalizing torture.

Okay.

Statutes are pillar one.

Second, you have case law, which is also known as common law.

This is the law created by the courts when they interpret those statutes to establish precedents to resolve specific disputes.

And the third pillar of primary sources would be constitutions, both federal and state.

Yes.

And there is a fascinating rule here about state constitutions that you definitely need to know.

They can actually provide you with more protections than the U .S.

Constitution,

but they can never give you less.

Exactly.

Because the U .S.

Constitution sets the absolute floor for individual rights.

You can build up, but you can't dig down.

So to map this out mentally for you listening, let's use an architectural analogy.

Think of constitutions as the concrete foundation of a house.

Statutory laws are the wooden framing put up by the builders and case law.

That's the ongoing interior design choices made by the courts over the years as they figure out how to actually live in the house.

That captures the dynamic perfectly.

But, you know, you also need tools to help you understand how that house was built.

That is where secondary sources come in.

And these are not the law themselves, right?

Right.

They are not the law.

They explain, summarize, and critique the primary sources.

So you have legal dictionaries for terminology.

You have legal encyclopedias like MJR or CJS, which provide broad overviews of topics.

But if I'm a forensic psychologist and I need a deep dive into one highly specific area of law,

an encyclopedia probably won't cut it.

No, it won't.

Then you would look at a treatise.

Treatises are comprehensive, deep explorations of specific subjects.

Like horn books.

Exactly.

For beginners, there are horn books, which break subjects down clearly, or nutshells, which are even more concise.

And you should also be aware of the restatements of lie by the American Law Institute or ALI.

These are really rigorous documents that summarize common law across the country.

They're actually so well respected that judges sometimes use them persuasively to help decide novel or completely new legal issues.

So we have the laws.

We have the explainers.

Now we need the arenas.

This brings us to the structure of the United States courts.

Yes, the where.

You basically have two big divides to navigate here.

Federal versus state and criminal versus civil.

And civil courts are not just for people suing each other over a property line, right?

No, not at all.

For a forensic psychologist, the state is often a party in civil court, handling heavy issues like involuntary civil commitment or child abuse cases.

And to navigate those arenas, you really have to understand the tiers.

The legal system is intensely hierarchical.

At the bottom, you have the trial courts of first instance.

Their entire job is to determine the facts of the case.

Who did what to whom.

Above them are the intermediate appellate courts.

And this is crucial.

If a case is appealed, appellate courts do not reexamine the facts.

Wait, why not?

Why wouldn't they want to look at the facts again to make sure they got it right?

Because trial courts are designed to hear witnesses and see evidence firsthand.

The trial judge or jury can actually see if a witness is sweating or avoiding eye contact.

So that makes sense.

Right.

An appellate judge is just reading a cold paper transcript.

Therefore, appellate courts only look to resolve issues of law or procedural errors.

Did the trial judge apply the rules of the game correctly?

Okay, got it.

And finally, at the top, you have the high courts or supreme courts, which are usually discretionary, meaning they get to choose which legal disputes they actually want to resolve.

And if we look specifically at the federal system, it starts with 94 district courts across the country, which utilize three judge panels.

From there, you move up to the 13 circuit courts of appeal.

Yep, moving up the ladder.

And at the absolute top is the U .S.

Supreme Court, SCOTUS.

And it's actually worth noting the Constitution doesn't demand nine justices on the Supreme Court.

Congress sets that number, and it has just happened to sit at nine since 1869.

Now, how do cases actually move through this massive system?

It really helps to visualize it.

Imagine the U .S.

court system as a tremendously wide staircase with a solid iron handrail running right down the middle.

State courts are walking up one side of the staircase.

Federal courts are walking up the other.

Normally, you stay on your own side.

But there are special legal mechanisms to jump the rail from the state side over to the federal side.

Those mechanisms are essentially emergency valves.

One is the writ of habeas corpus.

The literal translation is, you shall have the body.

Right, a classic term.

It's a post -conviction challenge in a criminal case.

The prisoner is basically telling a federal court, my federal constitutional rights were violated during my state process, which makes my ongoing detainment unlawful.

And the second jump is the writ of certiorari.

Yes, this is when you are directly asking the U .S.

Supreme Court to review a decision from either a federal appeals court or a state high court.

So you're jumping straight to the top?

Pretty much.

You are essentially petitioning the highest court to pull the records up from the lower court because something went fundamentally wrong.

But you only have 90 days from the judgment to file it, and it is highly discretionary.

They get, what, thousands of these petitions every year?

To actually get them to pull those records up, you need the rule of four, meaning at least four of the nine justices must agree to hear your case.

Exactly.

And knowing where a court sits on that staircase is critical because it determines the power of its decisions.

The whole system is governed by a principle called stare decisis, which means maintain what has been decided.

Precedent.

Precedent, yes.

But you must distinguish between binding authority and persuasive authority.

Okay, what's the difference?

If a higher court in your exact same jurisdiction makes a legal rule, that is binding authority.

The lower courts absolutely must follow it.

No exceptions.

Right.

However, if a court in a different jurisdiction makes a ruling or a lower court does, that is merely persuasive authority.

A judge might read it and be inspired by the logic, but they are not legally forced to follow it.

So wait, let me clarify something about the Supreme Court's reach first.

Sure.

If the U .S.

Supreme Court, the absolute top of the federal stairs,

tells federal courts how to handle a specific piece of psychological evidence,

does that automatically force a local state trial judge to do the exact same thing?

It does not, and you must remember this caveat.

U .S.

Supreme Court decisions are binding on state courts only when they implicate the U .S.

Constitution.

Ah, okay.

So if they rule that the death penalty is unconstitutional, every state must comply.

But if SCOTUS is just interpreting a federal rule of evidence, state courts don't have to listen to it at all because state courts follow state FNAS rules.

That is a critical distinction to keep in mind.

Okay, so we've mapped out the what and the where.

Let's move to the how.

Time to actually do the work.

Right.

As a student preparing for this exam and eventually stepping into the real world, how do you actually conduct legal research and find these cases?

Well, formal research traditionally relies on massive commercial electronic databases,

specifically Westlaw and LexisNexis.

They have been the undisputed leaders since the dial -up era of the 1970s.

Oh, wow, that long.

Yeah.

Westlaw, for instance, revolutionized legal research with the West Key Number System.

They basically created a master taxonomy, assigning a specific number to every conceivable legal concept, allowing you to track a single idea across a century of court cases.

Which is incredible technology, but as a college student, when you graduate and start your solo practice, you're going to find out those subscriptions can cost thousands of dollars a month.

They are very pricey.

What is the absolute first step, like the budget -friendly alternative for someone just starting out to research a law without going bankrupt?

You don't have to go bankrupt to read the law.

There are inexpensive databases like VLaw, National Library, or VersusLaw.

And some are completely free, right?

Completely free.

You can use FindLaw, Cornell's Legal Information Institute, or Google Scholar's legal database.

A common strategy is to start your broad exploratory searches for free on Google Scholar and only pay for a commercial database when you need to run a highly specific, complex query.

There's also informal research, because, again, as a mental health professional, you didn't go to law school.

Absolutely.

You can rely on digests, encyclopedias, or specialized book series like the APA's Law and Mental Health Professionals series, or Oxford's Best Practices series.

What about journals?

Yes, you should be regularly reading peer -reviewed journals like Law and Psychology Review and Law and Human Behavior.

Finally, never underestimate networking.

Just talking to people.

Exactly.

Organizations like the American Psychology Law Society, continuing education workshops, or simply consulting the referring attorney are absolute gold mines for understanding the specific legal context of your evaluation.

So you do the research, you find the document.

Now we hit the translation phase, because reading the law is notoriously difficult.

It is written in dense legalese that can feel like it's actively trying to hide the ball from you.

It really can.

When you are reading a statute,

you have to read hierarchically.

You must pay intense attention to the definition section at the very beginning, because they will define everyday words in highly specific legal ways.

Right.

You also have to watch for conjunctive versus disjunctive words.

This goes right back to the beginning of our deep dive.

The difference between and and or.

Exactly.

It's terrifying when you think about it.

In a statute, if the elements of a crime are separated by and, which is conjunctive, every single element must be proven by the prosecutor.

If they are separated by or disjunctive, only one element needs to be met.

Swapping those words literally changes the entire burden of proof.

It's the difference between going to jail and going free.

You also have to watch out for the words shall versus may.

Shall is a strict legal mandate.

The court or the state must do it.

May just means the action is optional or discretionary.

And what about reading cases?

Judicial opinions are basically short stories written by judges.

But you have to know how to dissect them.

To understand a judicial opinion, you break it down into five essential parts.

First, the facts.

So the context of what actually happened in the real world to bring these people into a courtroom.

Right.

Second, the procedural history.

What did the lower courts do before the case arrived at this specific judge's desk?

Okay.

Third is the issue.

What is the precise legal question the court is trying to answer?

Exactly.

Fourth, the legal reasoning.

This is the logical why behind the judge's thinking.

And fifth, the holding.

The final answer.

Yes.

The holding is the court's final answer.

The actual rule of law established by the case.

Okay.

So you read the statute perfectly.

You dissect the case.

You find the holding.

But there is a trap here.

What if the law you just spent three hours reading is actually dead?

That happens more than you'd think.

This brings us to verification.

Determining if the law is still good law.

Right.

Good law simply means the rule still carries legal weight and hasn't been overturned or repealed by a newer decision.

If you are doing physical research with hardbound books of statutes, you always have to check the pocket part.

Which is literally a small paper booklet of recent updates tucked into a physical pocket in the back cover of the bound legal code, right?

Yes, you have to check it because statutes can be declared unconstitutional by the courts.

A dark but vital historical example of that is Red Scott v.

Sanford from 1857, where the Supreme Court declared a Congressional Act unconstitutional.

Wow, okay.

But verifying case law is a bit trickier than verifying statutes.

You have to check the procedural history for two specific terms, reversed and overruled.

Let's do a role -play scenario to cement this for the listener.

Put me in the shoes of a defendant.

Let's say I go to trial.

I lose and I appeal my case to a higher court.

Okay.

If the appellate court looks at your exact same case, the same facts, the same parties, the same timeline, and decides the lower court made an error, your case has been reversed.

Okay, exact same case reversed.

Now, what if my case finishes, the rule is set, I serve my time and decades pass?

Then completely different people bring a completely different case to the court, but it involves the exact same legal issue.

If the court decides that society has changed or the previous logic was flawed and they changed the legal rule they established in your old case, your original case has been overruled.

That makes perfect sense.

The classic example is from 1954 when Brown v.

Board of Education overruled the separate but equal legal doctrine that was established way back in 1896 in a totally different case, plus E .V.

Ferguson.

So reverse means a higher court fixed a mistake in the same case.

Overruled means a later court changed the rule in a new case.

You've got it.

And if you have a budget for those commercial databases,

you can do this verification with software.

It's called Keysighting on Westlaw and Shepardizing on LexisNexis.

Which brings us to the final step, synthesizing the literature.

You have found your laws, you have translated the legalese, and you have verified they are all good law.

The puzzle pieces are on the table.

Exactly.

Now you have to synthesize them, which gets really complicated when two good laws from the same jurisdiction seem to contradict each other.

So if two Supreme Court rulings seem to say opposite things, I'm assuming a judge doesn't just flip a coin.

There has to be a mechanism to weigh which one applies.

The mechanism is synthesis, which requires looking for minor factual distinctions between them.

Let's look at the U .S.

Supreme Court and the death penalty under the Eighth Amendment.

Okay.

If you just pull isolated holdings, you will find one case saying the death penalty is constitutional, and another case saying it is unconstitutional.

It looks like a massive contradiction.

But when you synthesize them, you realize it is actually three highly specific rules based on the facts of the defendant.

The Supreme Court ruled it is constitutional for intact adults,

but it is unconstitutional for juvenile offenders.

And as we discussed at the very beginning with the Atkins case, it is unconstitutional for intellectually disabled individuals.

What looks like a contradiction on the surface is actually a nuanced synthesis.

The law changes based on the psychological reality of the defendant.

It's like mapping out a multiverse timeline.

You have to figure out exactly which specific set of facts triggers which specific alternate legal reality for the person you are evaluating.

And identifying those specific facts and translating them for the court is the true art of forensic mental health assessment.

As we wrap up this deep dive, I want you to leave with this final thought.

As neuroscience and our understanding of the human brain advance at lightning speed, the statutes and case laws written decades or even centuries ago are going to be constantly challenged.

Oh, absolutely.

The science is moving so fast.

The forensic psychologist of tomorrow won't just be sitting at a desk interpreting old laws.

You will be the scientific catalyst forcing the courts to update their very definitions of human behavior.

Knowledge is most valuable when it is understood and applied.

You have the foundational tools now.

On behalf of the last minute lecture team, thank you so much for joining this deep dive tutoring session.

You've got this.

Good luck as you step into the world of forensic psychology.