Advertise on podcast: Forensic Psychology

Former Washington State Patrol detective and supervisor Carlos Rodriguez spent years on the front lines of some of the darkest cases in law enforcement, investigating child exploitation, human trafficking and online predators with the Missing and Exploited Children Task Force. He walks us through his path from state trooper to undercover operations, and then into the sting operations built to catch people trying to buy access to children. He shares the cases that stayed with him and explains how traffickers are actually brought to justice. He also speaks candidly about the PTSD, burnout and compassion fatigue that investigators carry, which he explores in his book The Ugly Underneath.

Five women were murdered inside a suburban clothing store, but a sixth survived and provided investigators with a description of the gunman. How does the brain encode memories during an event involving extreme fear, and what happens to those memories over time? This episode examines eyewitness memory, acute stress, attentional narrowing, and the psychological consequences of surviving a mass homicide. Using the Lane Bryant murders as a case study, we explore why a witness can provide valuable information while still facing the ordinary limitations of human memory.

On December 6, 1991, four teenage girls were found murdered inside a burned-out yogurt shop in Austin, Texas. The combination of multiple victims, a commercial setting, and an attempt to destroy evidence presents difficult questions for behavioral investigators. What can the sequence of events, offender actions, and physical evidence reveal about the individuals responsible? This episode examines the case through FBI behavioral analysis principles, exploring offender decision-making, possible motivations, and the limitations of reconstructing criminal behavior when the original investigation has been complicated by disputed evidence.

Some of the most troubling acts of aggression are committed by people who believe their behavior is entirely justified. This episode examines moral disengagement, dehumanization, displacement of responsibility, and the psychological processes that allow individuals to harm others without experiencing themselves as cruel. We explore Albert Bandura's research alongside psychodynamic interpretations of aggression and self-righteousness. The central question is how moral certainty can reduce empathy and make harmful behavior seem necessary or even virtuous.

Examine forensic odontology, the limitations of dental identification, and how investigators combine dental records, skeletal evidence, and DNA analysis. Discuss the evidentiary strengths and weaknesses of each method and why severely burned remains can create uncertainty in criminal investigations.

Explore the differences between ASPD diagnostic criteria and psychopathy assessment instruments such as the PCL-R. Examine how forensic psychologists evaluate antisocial behavior, interpersonal traits, and risk factors without assuming that a diagnosis establishes future dangerousness. Discuss predictive validity, false positives, base rates, and the limitations of applying group-level research findings to individual defendants. Consider the ethical consequences of using psychopathy labels in sentencing, parole, and correctional decision-making.

Why do offenders sometimes believe they can eliminate every trace of their actions? Explore panic, motivated reasoning, overconfidence, cognitive narrowing, and the illusion of control. Discuss the psychological differences between impulsive attempts to conceal wrongdoing and more deliberate, planned behavior, without assuming that either pattern establishes a particular diagnosis.

What psychological forces lead individuals to remain loyal to groups even when membership increases their risk of harm? Explore social identity, conformity, perceived threats, and the psychology of belonging through established research on group behavior.

Examine how threats, isolation, coercive control, and fear may influence individuals recruited into criminal organizations. Distinguish voluntary participation from trafficking and forced recruitment.

What psychological processes allow multiple offenders to participate in a coordinated mass killing? Using the St. Valentine’s Day Massacre as a historical case study, we examine group loyalty, moral disengagement, instrumental aggression, and the diffusion of responsibility. Rather than diagnosing unknown perpetrators, this episode explores established forensic psychological concepts that help explain how organized criminal violence can become deliberate, calculated, and emotionally detached.

How do forensic psychologists assess psychopathic traits when an interview alone is insufficient? Explore the Psychopathy Checklist–Revised, the importance of collateral records, and the difference between psychopathy and antisocial personality disorder. Learn why professional assessment requires much more than recognizing charm or emotional detachment.

What happens when a murder investigation challenges society's assumptions about who is capable of violence? The 1860 Road Hill House murder exposed the complicated relationship between family dynamics, social reputation, and criminal suspicion. Inspector Jonathan Whicher's investigation illustrates how expectations about class, gender, and respectability can influence perceptions of guilt. This episode explores the psychological dimensions of a historic murder investigation without imposing modern diagnoses on its participants.

The disappearance of two royal children in 1483 illustrates the difficulty of evaluating allegations when evidence is incomplete and political interests are powerful. Richard III became the central suspect, but historical accusations were influenced by dynastic conflict and later interpretations. This episode explores confirmation bias, motive attribution, and the dangers of treating suspicion as proof. Discover how a centuries-old mystery can illuminate enduring challenges in forensic reasoning.

Patients thought their fertility doctor was helping them conceive using carefully selected anonymous donors. Years later, some discovered something almost impossible to believe: their doctor himself appeared to be the biological father of their children. The story of Cecil Jacobson remains one of the strangest medical crime cases in American history.

Does being high in psychopathic traits mean someone will become violent or criminal? The relationship is much more complicated than popular culture suggests. This episode examines psychopathy as a constellation of personality traits, the distinction between traits and criminal behavior, and why forensic psychologists must be careful about equating a psychological construct with inevitable violence.