U.S. Park Police arrested the current D.C. councilman on Saturday on a stalking charge after they said a woman complained she was being stalked.
Barry's lawyer denied the allegations and said Barry was arrested on the way home from a meal with the woman, Donna Watts-Brighthaupt. Watts-Brighthaupt earlier this week also released a statement that appeared to deny she had accused him of stalking.
The U.S. Attorney's Office said Wednesday that it would not pursue the stalking charges after reviewing evidence.
Barry served four terms as mayor. He was videotaped in 1990 smoking crack cocaine in an FBI sting but later regained the mayor's office.