Top Ten Most Dangerous Prison Gangs

This is a list of the top ten most dangerous prison gangs... so watch out.
The Top Ten
1 The Numbers Gang – South Africa
2 Primeiro Comando da Capital – Brazil
3 Trinitario – US and Dominican Republic
4 Black Guerrilla Family – USA
5 Nuestra Familia – USA
6 The Ñeta Association – Puerto Rico
7 Nazi Lowriders – USA
8 Aryan Brotherhood – USA
9 Mexican Mafia – USA
10 Brödraskapet – Sweden
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