Or was Omar Mateen just a very scary, successful murderer? Or both?
What if a mass shooter is coming for you, and you're still MacGuyvering your own door lock?
The things the alleged Charleston shooter reportedly said to his victims might give prosecutors cause to bust out the T-word.
Forensic Psychiatrists Weigh in on What the Ramblings in the Colorado Theater Shooter's Journal Mean
There are explicit plans to murder people in James Holmes's journal. But does any of the material suggest the guy behind the Aurora murders is "not guilty by reason of insanity"?
Inmates claim guards at High Desert State Prison use their guns to break up fights and don't give medical treatment to prisoners injured by birdshot.
The killing of a homeless man on Skid Row has raised new questions about one of America's most notorious police departments.
A look back at deadly police violence in Los Angeles, where six unarmed men were killed by the cops.
While it can't be said that the first post–Elliot Rodger killing spree had a female perpetrator—killing sprees are just too common for that—the fact that one of these killers wasn't a dude makes for at least an interesting footnote.