Dr. Daniela Schreier: Inside the mind of a killer

CHICAGO (FOX 32 News) - Armed with multiple guns, a 26-year-old man walked into a morning writing class at the community college in this rural Oregon town and opened fire, hitting some students with multiple gunshots. A witness said a teacher was struck in the head.

Clincal psychologist Dr. Daniela Schreier joined us LIVE on GDC to help us understand what makes someone commit such a horrific crime.