According to TMZ Steve McNair’s girlfriend did fire the gun.
TMZ just spoke with Tennessee assistant medical examiner Dr. Feng Li, who told TMZ preliminary test results in the Steve McNair death show Sahel Kazemi fired the gun that killed both of them.
Feng — who conducted autopsies on the two bodies — told TMZ he was able to make the determination from the crime scene investigation, police interviews, autopsy findings and preliminary lab results — which include a gunshot residue test.