Obviously, this was a gay guy who unsuspectidly brought a homo-hater back to his place
who then killed him and will obviously get away with it - as they all do.
Gay romance issue I think. His lover get jealous and stuff because maybe this guy had an affair with some guy. Gays tend to have that possesivity in serious relationship.
If i was the medical examiner, I would have to let everyone know that I need some time alone with the body. Unless they wanted to watch.... which I would be happy to let them watch as i get naked and like that beautiful dick