Motive a mystery in Pennsylvania school stabbings

Credit: MGN Online

Motive a mystery in Pennsylvania school stabbings

April 10, 2014 Updated Apr 10, 2014 at 10:17 AM CDT

The 16-year-old accused in a stabbing spree in a Western Pennsylvania high school is being charged as an adult.

The boy faces four counts of attempted homicide and 21 counts of aggravated assault. Find out more about this story by watching the video below.