He just has a penchant for shooting them. It is not race hate or cultural bias, they are just easier to shoot. Or something.
Insanity a viable outcome.
The Father angle is very significant our should be.
The Father hit black guy(convicted felon) with a ball bat purportedly defending his daughter. Then the guy left to get a gun, returned and killed the father in front of the kid. The authorities say it was self defense. It just doesn’t quite wash.
On top of that his fiancee committed suicide in January.