It really is a stretch of the imagination for me to think OG would feel comfortable threatening anyone with a knife much less Bonola. OG's personality, community based interests, and the high opinion people had of her do not align with Bonola's claim that she grabbed a knife. Unless she was extremely scared of him--they had previous heated arguments where he threaten to hurt/kill her--I don't think she would use deadly force to ward him off. In this case, I think OG was still trying to reason with Bonola up until the very end. She didn't realize he was an out of control violent, ticking time bomb fixated on her, and her life was in grave danger.