Mass shootings have gripped the nation's headlines, leaving families scared to send their children to school or in public spaces unattended. While mass shooters tend to share a series of precursor behaviors and predispositions to violence (lack of empathy, nothing to live for/nothing to lose, traumatic or troublesome upbringing), they aren't necessarily all mentally ill as the media suggests. Merrill explains what comprises a mass shooter, the difference between an active shooter and a terrorist, and lays to rest the longstanding debate about video games causing violence.The Angry Behavior Analyst has officially rebranded. We are now "Honestly Unorthodox." IG: @honestlyunorthodox