Psychologist Phil Macleod has outlined the 'deeply unsettling' profile of triple-killer Joanne Dennehy, who murdered three men in Peterborough in 2013 and described the killings as 'moreish and fun' ...

Scarlett Jenkinson had enjoyed the killing and wanted to paint herself in 'as bad a light as possible', the judge said A sadistic teenage girl who murdered her transgender schoolmate after becoming ...

The accused Gilgo Beach murderer fits the chilling profile of a serial killer, according to criminal psychologist Rachel Toles who shared her insights with Newsweek. Rex Heuermann, who was first ...

When a rapist and a violent offender met in San Luis Obispo Men’s Colony Prison, a deadly bond was forged. Lawrence Bittaker was serving time for stabbing a store clerk who accused him of shoplifting ...

Ice picks, pliers, and screwdrivers. They seem like ordinary tools — but for convicted serial murderers Lawrence Bittaker and Roy Norris, these common implements served much darker purposes. They ...

(CNN) -- For decades, criminologists and true crime documentaries have attempted to understand what causes serial killers to commit the atrocities they do. Dennis Rader, John Wayne Gacy, Jeffrey ...

The Railway Killers were a pair of sadistic serial rapists turned killers who attacked scores of women and children in the ...

TWISTED: The 10 Most Sadistic Acts of Serial Killers is a wild, true-crime ride that delves into the sick and sadistic methods of the world’s 10 worst serial killers. In this gruesome special, we rank ...

When alleged serial killer Rex Heuerman was arrested for the murders of three young women found on Gilgo Beach in Long Island, sadistic was the first word that popped into my head during the press ...

According to J. Reid Meloy, "Psychopathy and sadism are significantly and positively correlated. 1 British psychoanalyst Betty Joseph has described the affective state of the psychopathic sadist as a ...