Tim Griffin, the controversial Karl Rove protege installed as U.S. attorney in Little Rock without Senate confirmation, distributed a prepared release today announcing his resignation effective Friday, June 1.

“Griffin will be pursuing opportunities in the private sector …” the statement said, without elaboration. Many media outlets continue to mention Griffin as a potential member of Fred Thompson’s presidential campaign.

He said he’d accomplished much in nearly six months on the job, enjoyed working with the staff. “They welcomed me, taught me, inspired me, served shoulder-to-shoulder with me and have been an absolute joy with which to work. I will miss them dearly.”