An early 1990s report from the California Department of Justice noted that there were more than 500 U.S.-based motorcycle gangs at the time, many with evocative names like Iron Horsemen, Rebel Rousers ...

The founder of a California motorcycle gang tied to the Hells Angels pleaded guilty to federal firearms charges after authorities caught him allegedly trying to sell weapons to an undercover officer.

A March 8 shootout between two rival motorcycle gangs, the Mongols and Warlocks, led to about 30 arrests four months later. What to know.

NORRISTOWN — Prosecutors want to call an expert in the subculture of outlaw motorcycle gangs to educate jurors about such groups when nine members of the Pagans biker club head to trial later this ...

A member of the Mongols Motorcycle Club was sentenced Friday, Feb. 6, to five years in federal prison in connection with the killing of a man at an Ontario bar last year, authorities announced.

LAS VEGAS (KLAS) — A man faces murder charges after a fight outside of a bar between two rival motorcycle gang members turned deadly, according to a North Las Vegas police report obtained by 8 News ...

Law enforcement agencies estimate that tens of thousands of gangs operate across the United States today. These groups range from street gangs and prison gangs to organized criminal networks.