Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex | Lex Fridman Podcast #483
Criminal psychologist Julia Shaw argues most murder is impulsive conflict, not psychopathy, and that lie detection by police is no better than chance.
- ~70% of men and >50% of women have fantasized about killing someone, yet homicide recidivism is only 1–3%.
- Police and investigators detect lies at chance level, yet carry high confidence — a major driver of wrongful convictions.
- Most murders are fights that escalate over trivial disputes (a stolen bike, a $4 debt), not premeditated acts by psychopaths.
- Volkswagen’s Dieselgate defeat device emitted nitrogen oxides at 40x legal limits for ~10 years before exposure; Shaw frames it as conformity and rationalization, not cartoonish villainy.
- High-recidivism crimes are fraud, elder abuse, and sexual violence — not murder — meaning sentencing priorities are inverted if the goal is safety.
- Shaw co-founded Spot with Evernote founder Phil Libin to administer the cognitive interview via chatbot for workplace compliance reporting; the UK Bar Council uses it.
- Shaw has aphantasia — she cannot visualize mental imagery at all — which she argues may explain why mnemonic memory techniques never worked for her.
Guests: Julia Shaw — criminal psychologist, author of Evil, The Memory Illusion, Bi, and Green Crime; co-founder of Spot (talktospot.com) · 2025-10-14 · Watch on YouTube
