A possibly deadly incident involving Quinn's hired guns underscores the dangers of private forces policing American streets. On his second night in New Orleans, Quinn's security chief, Michael Montgomery, who said he worked for an Alabama company called Bodyguard and Tactical Security (BATS), was with a heavily armed security detail en route to pick up one of Quinn's associates and escort him through the chaotic city. Montgomery told me they came under fire from "black gangbangers" on an overpass near the poor Ninth Ward neighborhood. "At the time, I was on the phone with my business partner," he recalls. "I dropped the phone and returned fire."

Montgomery says he and his men were armed with AR-15s and Glocks and that they unleashed a barrage of bullets in the general direction of the alleged shooters on the overpass. "After that, all I heard was moaning and screaming, and the shooting stopped. That was it. Enough said."