Police declared on Sunday that Steve McNair was the victim of a homicide.
McNair was shot four times, twice in the head and twice more in the chest.
Authorities wouldn't say if it was a murder suicide, even though his girlfriend was dead nearby from a single gunshot.
McNair, who was married with four sons, but had been dating Saleh Kazemi for several months.
Autopsy: McNair's Death A Homicide