True-crime researcher, Hollywood insider and 'Sisters in Death' author Eli Frankel breaks down why we're so fascinated by serial killers ...

Netflix’s The Monster of Florence tells the true story of Italy’s most terrifying unsolved murders: eight couples killed, and a killer who vanished into legend.

When most people think of serial killers, infamous male names like Ted Bundy or Jeffrey Dahmer come to mind. However, history is also filled with women who committed shocking acts of violence, often ...