FORNEY, Texas (AP) — George Zimmerman, the neighborhood watch volunteer who was cleared of all charges in the Florida shooting death of unarmed teenager Trayvon Martin, was stopped for speeding on a highway near Dallas, officials said Wednesday. Forney police stopped Zimmerman on Sunday as he drove west on U.S. 80, about 20 miles east of Dallas. A police dashcam video released Wednesday shows an officer interacting with Zimmerman and letting him go with a warning.