M-Bone's Girlfriend Says Another Man's Jealousy & Twitter Beef May Have Led To His Death {Video}

As Inglewood, California police continue to piece together the events that led to the death of Cali Swag District member M-Bone, his girlfriend has come forth with what could be a substantial lead.

The girlfriend -- who wishes to remain anonymous out of fear for her life, told TMZ that a man living in their apartment complex had become insanely jealous of her 22-year old boyfriend's success.

According to the girlfriend -- M-Bone, born Monte Talbert, and the man had several run ins in the past, and were embroiled in a Twitter beef. The man allegedly threatened to physically harm M-Bone.

On the night he was killed M-Bone was outside an Inglewood liquor store when a car approached. Someone from inside the vehicle fired shots -- two hit M-Bone in the head. The murderer drove off, then doubled back before leaving the scene.