on tuesday morning 7-20-2010, detroit police chief Warren evans notified the detroit mayor's office for a emergency meeting for wednesday 7-21-2010 for 7:30 a.m., on 7-21-2010 the police chief met with the mayor for 30 minutes and resigned as police chief. Chief Evans cited the current investigation related to officer shooting and killing a 7 yr.that was caught on video tape by a a&e video crew for the program "the first48" . Cheif evans could not be reached for comment.