On May 2, one of Arizona's most prominent right-wing extremists, J.T. Ready, shot and killed four innocent people in Gilbert including a baby. He then turned the gun on himself. Ready's transformation into a murdering psychopath was there for all to see, but his neo-Nazi vigilantism went unchecked for years. Take a visual journey through Ready's evolution from political extremist and Russell Pearce-crony to vigilante and, ultimately, crazed murderer. Read Stephen Lemons' cover story, "Why Authorities Could've Prevented J.T. Ready's Murder Spree" here.