 The Warlocks were investigated by the Bureau of Alcohol, Tobacco, Firearms and Explosives in 1991, after Stephen Martin, an undercover agent, infiltrated the club, and several members were arrested and released.Again, in 2003 the ATF investigated the Warlocks, and convicted several members of drug and weapon charges once more.Several members and associates were arrested in a small Alberta, Canada town in March 2014 on weapons charges.