Law enforcement officials in the four cities — Charlottesville, Huntington Beach, San Bernardino and Berkeley — either would not comment about RAM or said they had too little evidence or too few resources to seriously investigate the group’s members.

Yeah, because a video recording of someone viciously assaulting someone else is clearly not enough evidence of wrongdoing.

I guess they've been using this kind of argument to defend cops for so long that they've started to actually believe it.