The son of an FBI Agent, Richard Mack has been a long-time crusader for freedom and individual rights. As a twenty-year law enforcement official and former sheriff of Graham County, Arizona, Mack served on the thin, blue line that protects a civilized society from lawlessness. But a new report released in August by the Southern Poverty Law Center casts a shadow over Mack’s motives and questions his role in the growth of militias…