Police find man shot, killed after crash in Forest Glen

CHICAGO (CBS)-- A man was shot and killed in Forest Glen early Monday morning. 

While responding to a traffic crash, police found a man unresponsive in the driver's seat just before 5 a.m. in the 5300 block of North Cicero Avenue. 

Police said the man had a gunshot wound to the head and was pronounced dead on the scene. The circumstances surrounding the man's death are unknown at this time. 

Police are investigating.