How to spot a serial killer: Criminologists reveal five key traits the most notorious murderers have in common


  • Experts from Real Crime magazine have revealed five key characteristics
  • These range from being egotistical to manipulative and charming
  • Studies have found a link between damage to the brain’s frontal lobe and changes in the amygdala in criminal serial killers 
  • Other psychologists link the behaviour to early childhood abuse or drugs 

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