Last week, Kewon White was arrested for chasing down Mo3 and executing him on a Dallas freeway.
White has an interesting history: There are reports he was out bail for shooting but not killing his transgendered girlfriend.
He also appears to have ties to Mo3 alleged rival Dallas rapper Yella Beezy. There had been photos of White hanging with known Beezy associates.
Here's one of White and Beezy. White holds a gun in the photo for good measure.
There has long been chatter of beef between Mo3 and Yella Beezy, but both have denied it: