Today, we'll look at some of the deadliest prison gangs in the world, both past and present, in no particular order. Trust me, they're all deadly and terrifying. Now, keep in mind, some of the sources we've found about these gangs are more than 20 years old. But we did our best to paint you a picture of what they were like during their most active years. And, well... it's not pretty.

00:00 The Deadliest Prison Gangs
01:15 Brodraskapet
03:26 Mexican Mafia
05:21 Aryan Brotherhood
07:58 Nazi Low Riders
10:57 Netas Association
13:35 La Nuestra Familia
15:18 Black Guerrilla Family

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