Ever find yourself watching a true crime doc at 2 a.m. and ignoring Netflix's “Still Watching?” pop-up to watch “just one more episode”? Well, you’re not alone. The grip serial killer documentaries ...

While mass murder is manifested in one catastrophic event, such as the mass public shooting in Las Vegas in 2017 or the Columbine High School massacre in 1999, and serial homicide involves at least ...