Carson has not been charged in any other robberies so far, but Johnson said Carson "implicated himself" in five other recent armed robberies in Apple Valley, including one at a pharmacy and one of a woman who was making a deposit at the drive-up depository of a U.S. Bank branch.

A Minneapolis police spokesman, Sgt. William Palmer, said Carson is being investigated in four robberies in Minneapolis -- two at gas stations, one at a coffee shop and one at an ATM machine. Carson became a full-fledged officer in June 2007.

The portion of Carson's personnel file released by police showed no disciplinary actions nor any individual commendations. Dolan told reporters his department spends a tremendous amount of resources trying to recruit the best people. "We do have a few that fail," he conceded. "It does tarnish the badge.""It's disgusting," John Delmonico, president of the Minneapolis Police Federation, said of Carson's arrest. "I don't even know what words I could use ... The actions of this guy have a bad reflection on every Minneapolis cop today. For all the cops who go out and do a good job every day, it's pathetic."

Delmonico said the union won't help the accused officer.

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