The “Mexican Mafia” is a prison gang. They are also in most local county lockups in So Cal, Ariz, N Mex, Tex, and Louisiana. The “MM” run drugs and guns for the Juarez Cartel. I believe this to be the most true.
Yes. We are talking about the same thing, only you are unfamiliar with the Spanish. The Mexican Mafia refer to themselves as “La Eme.” That is their initial, in Spanish They are in prisons all over the West.