Instead of merely incapacitating individuals, the criminal justice system can use periods of supervision to deliver crucial care. A Kansas jail program showed a simple 'warm handoff' to a mental health clinic for released inmates reduced re-booking by 17%, demonstrating that incarceration is a key opportunity to put people on a better path.

Sapolsky believes humans have no free will, as we are products of our biology. This makes concepts like blame and retribution illogical. He proposes a "quarantine model" for dangerous individuals: incapacitation without moral judgment, similar to isolating someone with a contagious disease.

Criminals, especially young ones, don't weigh potential punishments. They operate on a simple boolean logic: can they get away with it? Technology that dramatically increases the "clearance rate" (the percentage of solved crimes) acts as a powerful deterrent by changing that calculation.

Contrary to "tough on crime" rhetoric, research shows that the certainty of being caught is a more powerful deterrent than the length of the sentence. This suggests that resources for criminal justice reform are better spent on technologies and methods that increase the probability of capture, not just on harsher penalties.

Most criminals, especially young ones, operate on a simple boolean logic: will I get away with this? The severity of the punishment is a secondary concern. Therefore, increasing the crime "clearance rate"—the likelihood of being caught—is a far more effective deterrent than increasing prison sentences.

Most crimes are committed by people under 35, and recidivism rates for those over 50 are near zero. Despite this, the fastest-growing demographic in U.S. prisons is people over 55. This highlights a costly misalignment between sentencing policies and the reality of criminal behavior over a lifespan.

Parole boards often deny release because it would "deprecate the seriousness of the offense." This is a paradoxical justification because the original offense never becomes less serious. It creates a Catch-22 that effectively ignores any evidence of an individual's rehabilitation or personal change over decades.

Potential offenders, especially young ones, are more influenced by the immediate probability of capture than the distant threat of severe punishment. Investing in police investigations to solve more crimes quickly, such as through expanded DNA databases, has a greater deterrent effect than simply lengthening sentences.

Despite having the world's largest prison population, the United States lacks an agreed-upon reason for why it punishes. Prisons are called "correctional facilities" but often cause more crime than they prevent. This foundational confusion leads to arbitrary and ineffective systems that warehouse people.