Park Ridge police are investigating the "suspicious" death of a man found dead early this morning on the ground near a Metra parking lot.But police in the northwest suburb said there were no signs gunshot wounds or other trauma.He was found at 2:18 a.m. near the parking lot and Metra tracks just southwest of Northwest Highway in the 200 block of Summit Avenue, according to an officer on the scene. Police have not yet been able to identify him. He is described as a white male, between 30 and 35, wearing a black jacket, blue jeans and black shoes. http://www.chicagotribune.com/news/local/breaking/chi-suspicious-death-investigated-in-park-ridge-20120209,0,7601610.story