The Hells Angels eventually became the biggest motorcycle club in California as well as one of the "Big Four" OMGs in the U.S. Bikers in an outlaw gang are known to commit petty crimes like ...

STURGIS, South Dakota — This was supposed to be the biggest week ever. The 75th year of the Sturgis Motorcycle Rally. The Granddaddy of the Granddaddy of them all. Come the first week of August ...

And although outlaw motorcycle gangs only account for an FBI-estimated 2.5% of American gang membership ... is now worn like a badge of honor by the big four outlaw motorcycle gangs.