DIETERICH, Ill. (WAND) - Police have released the name of the man killed in a motorcycle vs semi crash on Friday. Zachary Cohen, age 20, of Highland Park, was driving his motorcycle on Dieterich Blacktop around 1 P.M. when he lost control and slid into the path of an oncoming semi. Cohen was pronounced dead at the scene. The semi driver was taken to St. Anthony Hospital.