Chapter 12: Assessing Criminal Responsibility

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So imagine a man strangles his wife,

and the physical evidence is completely undeniable, the fingerprints are there, the timeline matches perfectly.

But in his own mind, he genuinely, delusionally believes he is just standing in his kitchen squeezing a lemon.

I mean, is he a murderer?

Well, it's the ultimate collision really between physical reality and psychological reality.

Our entire justice system is built on holding people accountable, right?

But that whole framework just kind of fractures when the mind behind the action is fundamentally broken.

Right.

Which brings us to why we're here.

Welcome to this deep dive.

Today we are immersing ourselves in chapter 12 of the Handbook of Forensic Psychology.

Yeah, specifically focusing entirely on assessing criminal responsibility.

Exactly.

We are going to explore that incredibly messy intersection where the rigid rules of the law crash right into the fluid,

often unpredictable realities of the human mind.

So for those of you studying this for the first time, don't worry, there's no dry recitations of textbook terms here.

We are going to look at how this actually works in practice.

And to really navigate this chapter, we first have to understand the core tension at the heart of our moral system.

It's basically the balance between strict objective liability and subjective liability.

Okay, let's unpack this.

Objective liability is just straightforward, right?

You did the crime, therefore you were guilty.

Right.

But subjective liability asks a much more complicated question.

It says, yes, you committed the physical act, but did you possess the mental capacity to actually intend the harm?

So how does the law handle our lemon squeezer?

I mean, he did the physical act, but his intent was just to make lemonade.

Well, the foundational moral presupposition of Western law addresses this directly.

There's this old Latin maxim actus non facit reum, nisi mens sit rea.

Okay, translating that for us.

Basically it means an act is not legally evil unless it is committed by a person who has the capacity to know it's evil and, you know, freely chooses to do it anyway.

So we are essentially dividing every single crime into two distinct halves.

Yeah, exactly.

You have the physical act itself, which is the actus reus, and then you have the culpable mind, the mens rea.

You absolutely need the conjunction of both to ascribe guilty ownership of an act.

I feel like historically, mens rea was just interpreted as like general bad intent, right?

Yeah, it was super broad, but modern law has narrowed it significantly.

Today, it usually requires proving that a person acted intentionally, recklessly, knowingly, or purposefully.

Right.

So going back to that squeezing a lemon metaphor, which, by the way, I absolutely love, it comes from a scholar named Wales in the 1970s.

How does that narrow definition actually apply?

Because technically, he is acting knowingly inside his own head.

Well, that scenario is actually the prototypic case for exculpation under the modern view.

Like yes, he is acting intentionally within his own reality, but his reality is entirely fabricated by the psychotic belief system.

Oh, I see.

So he lacks mens rea because his action is based on a profound delusional mistake of fact.

Exactly.

The law cannot punish him for choosing evil because in his mind, he wasn't making a moral choice at all.

Wow.

Okay.

But if the philosophy is that clear, the actual real world application must be a nightmare.

Like how has the legal system historically even tried to write rules for something as invisible as a delusion?

It's honestly, the history is essentially a giant pendulum swing.

They broaden the definition of insanity to be more compassionate, and then they roll it right back when society gets terrified.

Typical.

Where does the modern version of this start?

The modern starting line is usually considered 1843 in England with the Imnatin standard, and this was a purely cognitive test.

Meaning they just focused on what the person knew.

Right.

The court simply asked, did the defendant know the nature and quality of their act?

And if they did, did they know it was wrong?

It basically became known as the right wrong test.

But wait, just knowing something is wrong doesn't mean you have the power to stop yourself.

I mean, if someone is having a severe manic episode, they might cognitively know stealing a car is illegal, but their impulse control is completely obliterated.

Yeah.

And the courts actually recognize that flaw almost immediately.

In the U .S., mid 19th century cases like Commonwealth v.

Rogers and Parsons v.

State broadened the Imnatin rule.

By adding what?

By adding the concept of the irresistible impulse.

They argued that a severe mental disease could essentially hijack the freedom of the will.

Okay.

So we move from just a cognitive test to a volitional test to the actual ability to control behavior.

Exactly.

And then the pendulum swung even further toward the medical model with the product rule.

Wait, what's that?

Well, it started with the New Hampshire rule in State v.

Pike, but it's most famously established by the Durham v.

United States decision in 1954.

The Durham rule basically stated that a person isn't criminally responsible if their unlawful act was simply the product of a mental disease or defect.

Product of a mental disease.

That sounds incredibly broad.

I mean, doesn't that just hand the entire courtroom over to the psychiatrist?

They could just say, well, he has depression and the crime is a product of that.

And suddenly the jury has no say.

You hit the nail on the head.

The backlash against Durham centered exactly on that issue.

It allowed psychological experts to testify in these broad conclusory terms, which effectively took the ultimate moral judgment away from the jury.

So how did they fix it?

To fix this, the American Law Institute formulated a new standard in the 1960s, and this was widely adopted in cases like United States v.

Brawner.

The ALI standard.

Yes.

The ALI standard was a really sophisticated compromise.

It required that a mental disease cause the defendant to lack substantial capacity either to appreciate the wrongfulness of their conduct, that's the cognitive prong, or to conform their conduct to the requirements of the law, the volitional prong.

OK.

But if the ALI standard was so sophisticated,

what broke it?

Because I know the standards changed drastically in the 1980s.

I imagine some high profile case where a clear criminal gets off on an insanity plea must have caused a massive public freakout.

Public outrage is the exact catalyst.

Following John Hinckley's assassination attempt on President Reagan and his subsequent insanity acquittal, the public was just furious.

They demanded tighter restrictions.

Right, of course.

So Congress passed the Insanity Defense Reform Act in 1984,

the IDRA, and this effectively served as a massive rollback.

They eliminated the volitional prong entirely in federal courts.

Oh, wow.

So they just stripped out the whole irresistible impulse part.

Completely.

The rationale, which was supported by cases like United States v.

Lions, was that psychiatry simply did not possess the scientific capability to accurately measure a person's capacity for self -control.

So they reverted back to a strict cognitive -only focus.

OK, so if juries are suddenly terrified of letting someone walk free, but they can plainly see the defendant is severely mentally ill, what do they do?

I mean, they need some kind of outlet.

And the legal system provided one with the guilty but mentally ill, or GBMI, verdict.

It actually originated in Michigan in the 1970s with People v.

McQuillan, but it really gained traction after the Hinckley verdict.

It was designed specifically as an alternative for juries who were just uncomfortable with a full not guilty by reason of insanity acquittal.

Wait, let's follow the logic of that verdict for a second.

If a jury gives you a GBMI verdict, what actually happens?

Do you get sent to a specialized psychiatric hospital instead of a maximum security prison?

Do you get like a lighter sentence?

The reality of GBMI is quite stark, actually.

You do not get a lesser sentence.

Individuals found GBMI are subject to the exact same penalties and prison terms as a standard guilty verdict.

Really?

No difference?

No difference.

Furthermore, it guarantees absolutely no special mental health treatment funding once they are in the prison system.

Professor Richard Bonney famously referred to the GBMI verdict as moral sleight of hand.

Moral sleight of hand.

That's a great phrase.

It really is.

It's essentially a psychological trick played on the jury.

It allows them to say, you know, we acknowledge this person is severely unwell, but we still want them punished all without realizing they are offering the defendant zero actual legal protection.

That is wild.

It really highlights how messy the framework is.

And you know, it brings us to a massive logistical problem.

The entire law hinges on the exact state of a person's mind during the few minutes the crime was committed.

How on earth does a psychologist measure that months or even years later?

Right.

The clinical term for this is evaluating the mental state at the time of the offense, or MSO.

And it is the ultimate retrospective challenge.

You are essentially being asked to conduct a psychological autopsy.

A psychological autopsy?

That sounds intense.

You were trying to resurrect the thoughts, perceptions, and reality testing of a mind from a specific moment way in the past.

How does an evaluator even begin that process?

Well evaluators rely on a highly structured framework of interview phases, like the one outlined by Sullivan.

The very first phase is inception, which focuses heavily on informed consent and setting boundaries.

Wait, if an evaluator is interviewing a defendant about the crime, couldn't the prosecution just use that interview to prove they did it?

I mean, that seems like a massive Fifth Amendment violation.

And that's exactly why the federal rules of criminal procedure, specifically rule 12 .2, protect against that.

The evaluator must make it crystal clear to the defendant that whatever they say during this evaluation cannot be used against them to prove guilt.

Oh, good.

Yeah.

The information can only be used to assess their mental state claim.

So once that boundary is set, the evaluator moves into the reconnaissance phase.

Reconniscence.

Yeah.

It's not just a clinical interview.

It is a full forensic reconstruction.

The evaluator is pulling police reports, interviewing family members, reading old medical files, and looking for collateral data to cross -reference with the defendant's current story.

But here is the huge elephant in the room.

If a defendant has been sitting in a jail psychiatric ward,

taking heavy doses of antipsychotics for six months while awaiting trial,

the brain the evaluator is talking to is fundamentally different from the unmedicated brain that committed the offense.

How do you pierce through the medication?

It's incredibly difficult.

Evaluators must account for what are known as Riggins Factors, stemming from the Supreme Court case Riggins v.

Nevada.

Okay, what are Riggins Factors exactly?

These are the specific alterations in an individual's mental state caused by psychotropic medication.

An evaluator has to do the complex work of conceptually stripping away the current effects of those drugs.

They have to assess how the meds might be impairing the defendant's ability to accurately recall their past mindset, and then somehow reconstruct what that unmedicated mind looked like on the day of the crime.

Wow.

And when they finally gather all this data, they reach the reconciliation phase.

But the text is very explicit here that the psychologist does not make the final legal call.

Right.

Absolutely not.

The role of the expert is strictly to import state -of -the -art scientific knowledge into the legal decisional process.

They provide the psychological data, they explain the mechanisms of the mental illness, But the ultimate moral and legal judgment, whether that data meets the threshold for insanity, belongs entirely to the trier of fact.

Meaning the judge or the jury.

So to help organize that data for the courtroom, the chapter highlights a couple of forensic assessment instruments developed in the 1980s.

First there's the MSE,

the mental state at the time of the offense screening evaluation.

I imagine this is just like a quick filter to weed out people who are obviously sane or obviously faking it so the state doesn't waste resources on a massive psychological autopsy.

Spot on.

That's the screening tool.

But the much more comprehensive tool is the RCRAs, the Rogers Criminal Responsibility Assessment Scales.

The RCRA.

Yeah.

This instrument was built specifically to quantify the ALI criteria we discussed earlier.

It breaks the evaluation down into five distinct scales.

Reliability, Organicity, Psychopathology, Cognitive Control, and Behavioral Control.

Which is brilliant because it takes abstract legal concepts and gives them a mathematical structured psychological foundation.

Let's break those scales down though because the terminology can get dense.

When the RCRAs measures Organicity versus Psychopathology, what is the actual difference in the room?

Sure.

Organicity refers to physical, structural damage or anomalies in the brain itself.

This could be the result of a traumatic brain injury, severe dementia, or a tumor impacting the frontal lobe.

Okay.

Physical stuff.

Psychopathology, on the other hand, refers to mental disorders like schizophrenia or severe bipolar disorder.

The impairment is psychological and functional rather than stemming from an obvious structural lesion.

The RCRAs forces the evaluator to map out exactly where the impairment is coming from.

When we look at psychopathology, the numbers are just staggering.

The text notes that 70 % of insanity equities have psychotic diagnoses.

Delusions are the driving force.

But drawing the line between a radical belief and a true delusion seems incredibly subjective.

It is.

I mean, if someone commits a crime because of a deeply held extremist political belief, aren't they just making a choice?

How does an evaluator prove it's a legal delusion and not just radicalization, especially with the First Amendment protecting radical beliefs?

Drawing that line is arguably the most difficult task in the entire evaluation.

The legal system highly values autonomy, right?

It will hold an extremist fully responsible for choosing to act on a radical ideology, but it will excuse an individual acting on a pathological belief system that completely distorts their reality.

So how do you tell the difference?

Evaluators often rely on the seminal framework developed by Carl Jaspers in 1963.

He differentiates between overvalued ideas and primary delusions.

What does that difference actually look like in practice?

Well, an overvalued idea, like an extreme political ideology, leaves a trail.

It has a precedent in the individual's personality, their peer group, and their sociocultural background.

You can trace how they arrived at the belief through a process of cognitive interpretation, even if it's deeply flawed.

OK, so there's a logical progression however twisted it is.

What about a primary delusion?

A primary delusion, according to Jaspers, is defined by its un -understandability.

It does not have a trail.

It's completely unmediated by thought or analysis.

It represents a total sudden and fundamental rupture in how the person construes reality.

Wow.

Yeah, the text uses a really striking example.

A primary delusion isn't arriving at a radical conclusion after reading a manifesto.

A primary delusion is looking at a stranger wearing a brown coat and suddenly, without any logical stepping stones, knowing with absolute, terrifying certainty that he is a dead archduke.

That is wow.

OK, so we have the history, the legal standards, and the psychological autopsy.

The expert finishes their RGS, parses the delusions, and hands their report to the court.

Let's look at the aftermath.

What actually happens to a defendant if a jury agrees and finds them not guilty by reason of insanity?

The reality of an NGRI acquittal completely shatters public perception.

Yeah, this is the part of the chapter that stopped me in my tracks because the research

NGRI equities are generally institutionalized for longer periods of time than if they had just been found guilty and sent to prison.

The public treats the insanity defense like a cheat code to beat the system, but it actually results in a much longer loss of freedom.

The mechanism behind this longer confinement is rooted in cases like Fuchsia v.

Louisiana and Jones v.

United States.

The Supreme Court held that an NGRI equity is committed to a psychiatric facility to treat their dangerousness and their mental illness, not to punish them.

Which changes everything about the timeline.

Exactly.

Because it is classified as treatment and not a punitive sentence with a set end date, they can legally be held indefinitely.

They remain locked down until a hospital review board deems them psychiatrically stable and no longer a danger to society.

And the text points out that this release is delayed for a myriad of reasons that have nothing to do with the original crime.

It could be treatment nonadherence, a lack of community supervision infrastructure, or just raw political pressure.

I mean, no hospital administrator or politician wants to be the one who signs the release papers for a high -profile NGRI equity.

Right.

And what makes this even more precarious is a legal concept known as juror blindness.

Based on rulings in cases like Shannon v.

United States and State v.

O 'Kee, juries are legally prohibited from being instructed on what happens to a defendant after an NGRI verdict.

That is terrifying.

A jury has to make this monumental decision completely in the dark.

I mean, they might vote guilty simply because they are terrified.

The defendant will walk right out the front door of the courthouse, completely unaware that an NGRI verdict would actually ensure the person is held securely in a hospital for decades.

And this fear is largely why the insanity defense is raised so rarely.

The empirical reality really demythologizes the entire process.

Despite massive media attention, the insanity defense is raised in less than one percent of all felony indictments.

Less than one percent.

Less than one percent.

And even when it is raised, it is only successful about 25 percent of the time.

So if the public perception is so skewed, do the actual laws even matter to the people sitting in the jury box?

Like do they listen when a judge reads them the Omniton standard versus the ALI standard?

A fascinating mock juror study conducted by Norman Finkel in 1989 answered that exact question.

He took mock jurors and gave them different legal instructions.

One group received the broad ALI standard, another received the strict IDRA standard, and a third group received an archaic 18th century wild beast standard.

And what happened?

The results were astounding.

The exact legal instructions given to the jurors essentially did not matter.

Their verdicts were practically identical across all three groups.

Wait, wait.

So centuries of legal philosophy, the Supreme Court battles, the congressional acts following the Hinckley case, none of it changes the outcome in the deliberation room.

What are the jurors actually basing their decisions on?

They rely on their own implicit prototypes of insanity.

Rather than parsing complex legal jargon, jurors match the defendant's behavior against their own internal definition of what crazy looks like.

Scheme and Golding's research actually identified three distinct prototypes that dictate how jurors vote.

Okay, let's walk through these because this is where human psychology really overrides the legal text.

What is the first prototype?

The first is severe mental disability.

This prototype is held by about 47 % of jurors.

Almost half.

Right.

And to these individuals, insanity requires an extreme, long -standing intellectual or functional impairment.

So if the defendant can tie their shoes or hold a basic conversation, this juror will likely vote guilty, regardless of the presence of delusion.

Wow.

And the second prototype?

The second is moral insanity, which represents roughly 33 % of jurors.

These jurors focus heavily on traits of psychopathy, unpredictable violence, and seemingly evil motives.

So they just look for the bad guy?

Basically.

They conflate malevolence with mental illness, and they are highly unlikely to render an NGRI verdict because their prototype demands punishment for the evil act.

Which leaves the third prototype, which the text calls mental state -centered.

This group represents just 21 % of jurors, and they have a narrow, specific focus on whether the defendant's mental state at the exact time of the offense was impaired.

Yes.

And the irony here is that this 21 % is the only group whose internal prototype actually aligns with the intended legal design of the insanity defense.

They are the ones most likely to carefully evaluate the psychological autoxy and render an NGRI verdict based on the evidence of a delusion.

But I mean, if 79 % of jurors are ignoring the strict legal framework and just using their own gut -checked prototypes,

does the expert testimony even matter?

Are the psychologists just wasting their time with the RCRAS and the JASPERS criteria?

No.

The psychological evaluation absolutely still matters.

While individual differences in social -moral cognition are really powerful,

objective facts still sway juries.

Research shows that the documented bizarreness of the crime, the verified severity of the defendant's mental disorder, and the logical consistency of the expert psychological autoxy do significantly impact the final verdict.

So it's about clarity.

Exactly.

The expert's job is to present the reality of the mental illness so clearly that it can penetrate even a rigid juror prototype.

Which leaves us with a profound final thought.

Learning about criminal responsibility doesn't just teach you about the law or the mind of it really forces you to look in the mirror.

Knowing that only 21 % of people hold a prototype that aligns with the law,

you really have to ask yourself a question.

If you were placed on a jury tomorrow,

which prototype would you bring into the deliberation room?

Right.

Would you judge the defendant based on the strict legal framework of their mental capacity?

Or would your verdict be driven by your own implicit biases about morality, punishment, and what mental illness is supposed to look like?

Well, it's a question that challenges the core of our justice system, and it's one that every forensic psychologist must confront when they take the witness stand.

And that wraps up our deep dive into chapter 12.

Think about the incredible chain we've just followed.

We started with the foundational moral principle of mens rea, the idea that an act requires a culpable mind.

We move through the intricate, retrospective psychological autopsies where experts try to map an unmedicated past mental state.

And finally, we crashed into the harsh realities of juror psychology and the paradox of indefinite hospital commitments.

We move from tracing a footprint in the mud to tracing a delusion in the mind.

It is a highly complex, highly imperfect system, but it is absolutely vital for maintaining the balance between public safety and fundamental human justice.

On behalf of the last minute lecture team, I want to explicitly thank you for studying with us today.

We know forensic psychology is dense and challenging, but you've got this.

Best of luck mastering the material, and we will catch you on the next deep dive.