New York City Comptroller John Liu who’s running for mayor says he’s fed up with the three-year investigation into his campaign fund-raising.

During a mayoral forum Thursday, Liu demanded investigators to “put up or shut up already because I’ve got an election to win.”

He asked what investigators had to show after interrogating thousands of his supporters and wire-tapping his phones for 18 months.

He said despite his record “there are still whispers about this cloud hanging over my head.”

He made the remarks during his closing statement.

The investigation goes back to 2009. His former campaign treasurer and a fundraiser are charged with conspiring to use straw donors to evade campaign finance laws. Both defendants have pleaded not guilty. Their trial is set for April 15.

(AP)