Deputies said the chase began after a license plate reader flagged the vehicle the teens were in as stolen. Investigators said masks, screwdrivers, and hammers were recovered from the scene. [video src="https://vcl.abcotv.net/video/ktrk/010224-ktrk-ewn-6am-cmi-3-teens-killed-chase-crash-sarah-vid.mp4" poster="https://cdn.abcotvs.com/dip/images/15740369_010224-ktrk-ewn-6am-3-teens-killed-crash-img.png"]Courtesy of ABC13 Texas …