Editor’s note: The Orange County Sheriff’s Department submitted this story about the retirement of legendary Investigator Bill Beeman to Behind the Badge. In the criminal world of Southern California’s white supremacist network, Bill Beeman is a household name. Stories have been told, swelling with hyperbole with each iteration, about the investigator who infiltrates gangs and dismantles their criminal plans. Nicknamed the “Rhinestone Cowboy” by one gang member, Beeman was the man scarcely seen, but widely feared. There was the time he rappelled out of a helicopter to arrest a known white supremacist involved in a homicide. And the time he…