Agar was a crack cocaine dealer in his 50s when he targeted the first woman - a vulnerable drug addict in her 20s - in ...

Many think sadism is confined to sexual and criminal conduct. In fact, sadistic behavior can also show up in the workplace.

Prefer Newsweek on Google to see more of our trusted coverage when you search. Sadists are often aggressive but only enjoy the feeling if it causes their victim emotional pain, psychologists have ...

The FBI is urging parents and guardians to be vigilant about what their kids are doing online as “predators" use the internet ...

The following is an excerpt from my 2005 book Vulture: Profiling Sadistic Serial Killers. Believe it or not, we all know sadists. Some of them are our bosses, our spouses, our parents, siblings, ...

Internet "trolls" — people who intentionally incite discord in online communities — may have a lot in common with real-life sadists, new research suggests. Subscribe to read this story ad-free Get ...

Sadists derive pleasure or enjoyment from another person's pain, yet new research shows that sadistic behavior ultimately deprives the sadists of happiness. People with sadistic personality traits ...

In one case, a man stole a female acquaintance’s intimate photos and weaponised the material to force her into maintaining ...