Mongols means: N.A 1er is a motorcycle gang and an organized crime syndicate, whose headquarters are located in SoCal. It was originally founded in 1969 by Hispanic Vietnam War vets who were denied entry to Hell’s Angels because of their race. Their criminal activities include drug trafficking, esp. They are known for their criminal activity, including drug dealing, money laundering and murder. If you ask anyone with a good knowledge of motorcycle gangs, they’ll tell you the Mongols are among the most notorious and dangerous motorcycle gangs. (in Community Dictionary, added by Brooklynn Gamble)