3 dead in Maryland mall shooting

Jan. 25, 2014: Shoppers board shuttle busses as they are evacuated from The Mall of Columbia after a shooting on in Columbia, Md. (AP)

Jan. 25, 2014: Police gather on the scene of a shooting at The Mall in Columbia on in Columbia, Md. (AP)

Jan. 25, 2014: Police move in from a parking lot to the Mall in Columbia after reports of a multiple shooting, in Howard County, Md. (AP)

Jan. 25, 2014: Restaurant general manager Heather Saffield and employee Chelsea Borschart, right, look outside their restaurant at The Mall in Columbia, Md. (AP)

Jan. 25, 2014: A Montgomery County, Md., police officer walks in a parking lot at The Mall in Columbia, Md., following a shooting that police say three people died at the mall including the gunman. (AP)