Former IMF chief Dominique Strauss-Kahn leaves a polling station for the Socialist Party's primary vote, in Sarcelle. (Yoan Valat/AP)

The latest charge: accusations that he is a potential client in a hotel prostitution ring.

Prosecutors in the northern city of Lille are investigating a suspected prostitution ring in France and neighboring Belgium. His name appeared on a list of clients, that claimed he held orgies with prostitutes in France and New York.

Strauss-Kahn’s attorneys told the Associated Press that he “is asking to be questioned [by police] to put an end to these insinuations and extrapolations.”

It is the third time in a year the former front runner to be France’s next president has faced accusations about illegal sexual activities. In August, charges were dropped in New York after prosecutors did not feel they had a strong enough case against Strauss-Kahn to pursue rape charges made by a hotel maid against him. Last week, French prosecutors conceded that Strauss-Kahn’s actions toward writer Tristan Banon could “qualify as sexual aggression,” but that they had insufficient evidence to charge him with attempted rape.

Strauss-Kahn has said the accusations are a possible trap and he has contended he is not guilty of anything more than a moral failing for cheating on his wife.

Strauss-Kahn’s political aspirations are seen as mostly finished, now that his party, the Socialist Party picked a new presidential candidate, Francois Hollande. If elected, Hollande has said Strauss-Kahn will have no position within his party.