What makes a person walk into a theater or a church or a classroom full of students and open fire? What combination of circumstances compels a human being to commit the most inhuman of crimes? Can science in any way help us understand these horrific events and provide clues as to how to prevent them in the future?
Originally broadcast on the PBS network as an episode of the television program Nova.
Not MPAA rated.
DVD, region 1, widescreen presentation; stereo.
For private home use only.
English dialogue ; English subtitles for the deaf and hard of hearing.