bye. >> saturday afternoon, macomb county, michigan, just north of detroit. investigator rene deegle of the macomb county examiner's office is on the way to a house where a man has been discovered, dead. >> this is a 50-year-old who was found by his father. he is known to be a heavy drinker. and he is found naked, and appears to be a lot of blood at the scene for the police officer. and it sounds like his head is thrown through a wall. >> rene is one of six investigators who work for the macomb county medical examiner, dr. daniel spitz. >> they work around the clock going to scenes, working with the police, basically being the eyes and ears for the office. and telling the story of the deceased person. >> it isn't the law that requires investigators to show up at death scenes in the county, it's dr. spitz's rule. implemented when he was appointed medical examiner in 2004. prior to that, investigators did not have to physically attend death scenes, making it possible in one instance to nearly miss a case of foul play. >> it was a concern of mine when i came tha

macomb county sheriff mark hackel looks to dr. spitz to trike to make some sense of the disturbing incident. >> when you start doing the autopsy, you can find a whole lot more. i'll be certain when dr. spitz gets that opportunity he'll have a little bit more information for us, how she died, when she may have died, what caused her death. >> when dr. spitz is done examining the body, a private company contracted by the medical examiner's office transports the victim to the morgue, where the autopsy will be performed the next morning. as the body leaves the scene, the sheriff's office continues its investigation. detectives talk with neighbors who say they've been hearing loud noises over the last few weeks. >> doors slamming, like commotion. loud talking. mostly at night. a lot at night when i'm sleeping, midnight, you know, after that. it's been pretty consistent, i'd have to say. >> investigators also question the woman's family, and the man she lived with. the man is the father of the first of her four children. he tells police

. >> bill's boss, macomb county medical examiner dr.l spitz, sends investigators to most residential death scenes to work with police and make sure no detail is missed. >> arriving at destination. on left. >> they go to scenes. they collect information. they're knowledgeable about wounds and injuries. >> threw have a different set of tools than the police do when it comes to being an investigator for a deceased person. many times the case is not suspicious. but we don't know that until one of our investigators gets there and talks to the family, investigates the scene firsthand, takes photographs, and actually examines the body. >> okay. this so he's in the garage right now. cut down. >> from what i understand, he had a coup friends come over. >> okay. we'll go take a look. see what we got. >> did they remove the rope from his neck? >> by 7:00 a.m., investigator bill robinette has been briefed officers on scene and begun an external exam on the young man identified as 19-year-old ryan sodowsky. >> you can roll him over. bring him my way