All In The Mind Serial killers: answering your questions about how they think
Aug 9, 2025
Forensic psychiatrist Dr. Rajan Darjee, Clinical Director of Forensic Behavioural Assessment in Melbourne, shares his insights on the minds of serial killers. He tackles whether these criminals can learn empathy and the reasons behind the male dominance in this crime category. The discussion differentiates between serial killers and mass shooters, revealing altering trends in violent crime. Darjee also explores the complex nature of empathy deficits and the challenges of rehabilitating offenders, making for a captivating dive into criminal psychology.
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Why He Chose Forensic Psychiatry
- Rajan Darjee credits Silence of the Lambs and reading forensic casebooks for sparking his interest in forensic psychiatry.
- He pursued the field after studying Dennis Nilsson and questioning criminal responsibility.
Men Are Overrepresented In Violent Crime
- Rajan Darjee says men dominate serial killing because biological, developmental and social factors combine to raise violent risk.
- He links testosterone, brain differences, socialisation and physical strength to how violence is enacted.
Biology Explains Some Sex Differences
- Rajan Darjee highlights genetic and hormonal differences as part of why sexes differ in violent crime patterns.
- He points to X/Y chromosomes and testosterone as biological contributors alongside cultural factors.
