Remember the collective side-eye the internet gave the FBI when it declared "black identity extremists" a domestic terrorism threat?

Well, according to department emails reviewed by Al Jazeera, it looks like the FBI thinks there's another group we all need to watch out for: black supremacist extremists. 

The FBI and the Department of Homeland Security's records were reviewed by Al Jazeera after news of the black identity extremist document broke.

Read the full piece here.