Cop car DALLAS, TX - JUNE 13: The shattered window of a police cruiser is seen outside the Jack Evans Police Headquarters on June 13, 2015 in Dallas, Texas. A lone shooter in an armored van, believed to be rigged with explosives, opened fire on the station early Saturday morning. The shooter reportedly unleashed multiple rounds and planted explosive devices around the building before leading police on a chase that ended in a standoff in the parking lot of a fast food resturant in Hutchins, Texas. (Photo by Stewart F. House/Getty Images) (Stewart F. House)