The ex-boyfriend looks like a suspect IMO. His comments about Kazemi take away her motive, he said she was going to leave McNair, and he put himself at the scene the night of the murder. They had a violent history together and he wrote suspicious rap lyrics suggesting murder. I’ll be shocked if she did it.
He doesn’t sound like a very intelligent fellow. If he is involved, it shouldn’t be too dificult for forensics to link him to the killings.
And let’s not be too easy on McNair. She worked at the ‘Dave & Buster’s” restaraunt where he often took the wife and kids.
I was thinking the same thing. He may have done them both in?