Mr. Barnes who appeared in several documentaries, including this one " Hells Angels Forever" Barnes was a deep cover operative for many years. He first started working with the ATF on radical bombing suspects from the SDS  ( Students for a Democratic Society) and Weathermen groups who were responsible for numerous University Bombing and anti-government attacks. Scott Barnes was a covert operative for the US Government from his early days in the 1970's until his retirement on 3-13-15. He was first recruited by agents of the a off shot group from the CIA in 1973 while in Vietnam. He has been featured in over 100 books, dozens of covert operations some never officially sanctioned by the CIA or DIA. He did years of being a "Corrupt Cop" as his cover for over 15 years, which assisted him and his team to infiltrate even (Real) corrupt cops. He holds numerous Degrees, was trained by the US DOD, US Army, US DEA, US DOJ, US Treasury FLETC, HDSOC and many other training groups. Camp Peary, Ft. Bragg, Ft. Lewis and Camp Alpha in Vietnam, others are still classified, he was a senior member of the infamous BET Unit, Biker Enforcement Team which was also part of LAPD's (Covert PDID's) unit and the OCCIB, LEIU, CNIN and a host of other secret units operating all over the World. He was still doing deep covert operations until his recent retirement on 3-13-15, he was instrumental in ensuring corrupt federal, state and local law enforcement were arrested and exposed. He has been in his career to over 34 foreign nations to conduct specialized cases. Some still Classified today. He has testified before numerous Federal Grand Juries, US Congressional committees, US Senate Committee as well as highly secretive testimony in the US "Vault" which that testimony is still Top Secret. He authored a book "BOHICA" and is prominently featured in best seller "Kiss the Boys Goodbye" as well as 24 other investigative books and reports. He has appeared on CBS 60 Minutes as well as a dozen investigative stories. His last known assignment was to expose hundreds of corrupt Law Enforcement Officials in 7 States. Which was completed on the last day of his work 3-13-15