Nearly All Mass Shooters Since 1966 Have Had 4 Things in Common

The stereotype of a mass shooter is a white male with a history of mental illness or domestic violence. While that may be anecdotally true, the largest single study of mass shooters ever funded by the U.S. government has found that nearly all mass shooters have four specific things in common.

A new Department of Justice-funded study of all mass shootings — killings of four or more people in a public place — since 1966 found that the shooters typically have an experience with childhood trauma, a personal crisis or...