From California prison system to Baltimore?
I always thought Baltimore,DC,Philly,Detroit were just not ever gonna have outside gangs or organizations swoop in and take over. I thought the same thing about Newark,NJ but I was proven wrong about that.
There's a film with a cult following called Bound By Honor ,sometimes called Blood In Blood Out which covers roughly the same story as American Me...about origins of the Eme.(mexican mafia)...well it's a LONG.....and unintentionally funny film and in the prison scenes they cover the BGF also.
Delroy Lindo aka West Indian Archie from Malcolm X plays the leader of the "BGA" the Black Guerilla Army