Well, duh. The thing is, just about every person I saw in footage of the facility was black. So the race thing is already kind of there if someone wants to think it. Definitely didn't see any Sikhs. Maybe threats in the past against Sikhs is why he's known to LE.
Turns out he’s known the the feds because his family reported him for having violent tendencies and threatening to commit suicide. The cops apparently were called to the house previously and confiscated a shotgun from him after he threatened to kill himself.