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Why People Kill & Who’s Really at Risk | Criminologist Explains

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Why do people kill? Criminologist Professor David Wilson has met hundreds of murderers, and he explains what really drives someone to take another person's life.

In this episode of Explainer for a Stranger, 20-year-old criminology student Ishaan asks emeritus professor of criminology David Wilson why people kill. David explains why murder is "a young man's business", why you're more likely to be killed at home than in a pub or on the street, and which room of the house is the most dangerous. He breaks down the difference between murder and manslaughter, and explains how most killings happen in "five minutes of madness" when young men feel disrespected in front of their peers.

David then moves to the other end of the scale: serial killers. He compares Jeffrey Dahmer with Britain's Dennis Nilsen and reveals the groups British serial killers target most often. One of those groups surprises most people; it was the main target of Dr Harold Shipman, Britain's most prolific serial killer. David explains the four types of serial killer, whether they know they're different from other people, and why some keep trophies from their victims.

He also discusses the real-life killers influenced by Dexter, why hitmen see their targets as a contract rather than a person, and whether killers at either end of the scale ever regret what they've done.

0:00 Intro

0:34 Why do people kill?

2:46 Murder vs manslaughter

4:44 Five minutes of madness

6:42 Do murderers lack empathy?

8:05 Are we closer to serial killers than we think?

9:19 Who do serial killers target?

13:29 What motivates a serial killer?

16:23 Do serial killers know they're different?

18:24 Why do serial killers keep trophies?

20:55 Hitmen vs serial killers

23:28 How many murderers have you met?

24:24 Do serial killers regret their crimes?

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