A “BLACK NATIONALIST” WITH A PCP PROBLEM: Five Things To Know About Derick Brown, Dallas’ Alleged Paramedic Shooter. “Brown was a member of the New Black Panthers, a group he served as chairman of in the early 2000s. In 2004, he popped up on the Anti-Defamation League’s radar when he proclaimed that his group was ‘ready to die in self-defense’ during a protest at Dallas Police Department headquarters. The New Black Panthers, according the ADL, are an anti-semitic, racist hate group.”