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Arrowhead Stadium parking lot death ruled a homicide

Dec. 1, 2013: Kansas City, Mo. police work a crime scene in parking lot A outside Arrowhead Stadium, in Kansas City, Mo., after a person was killed.

Dec. 1, 2013: Kansas City, Mo. police work a crime scene in parking lot A outside Arrowhead Stadium, in Kansas City, Mo., after a person was killed.  (AP2013)

A medical examiner has determined the death of a Missouri man in an Arrowhead Stadium parking lot during a Kansas City Chiefs game was a homicide.

The Jackson County medical examiner announced his ruling Wednesday.

But Kansas City police say the cause of 30-year-old Kyle Van Winkle's death Sunday has not been determined. Van Winkle was found unconscious at 5:20 p.m.

Police spokesman Darin Snapp says detectives have been treating the case as a homicide from the beginning, so the investigation won't change.

Van Winkle had gone to Sunday's game in a vehicle similar to the Jeep in which he was found by the owner. Police say he was involved in a fight, but it's not clear whether that contributed to his death.