(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 ...

Serial murders have dwindled, thanks to a cautious citizenry and improved technology. But sociopaths have found new methods of mayhem. By Hurubie Meko Rex Heuermann, the meticulous architectural ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Despite the abhorrent atrocities they commit, many people can’t ...

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 Dahmer, Albert ...

There’s a fine line between moving through a handful of serious relationships over a long period of time and “serial monogamy,” the pattern of hopping from partner to partner, endlessly. In fact, many ...