After his comment during the Sunday debate that if he were president, Hillary Clinton would “be in jail,” Donald Trump on Monday afternoon again brought up his plan to assign a special prosecutor to investigate Clinton.

As the crowd at his rally in Ambridge, Pennsylvania, chanted, “Locker her up,” Trump said, “Special prosecutor, here we go, right?”

His comments at the rally came after he went after Clinton for setting up a private email server, complaining that the debate moderators on Sunday “didn’t call her out.” He charged that Clinton lied when she said she did not delete her emails.

“I wonder if the NSA has her emails?” Trump then wondered before saying he doubts the NSA looked very hard for Clinton’s personal emails.

During the debate on Sunday, Trump called for an investigation into Clinton.

“If I win, I’m going to instruct the attorney general to get a special prosecutor to look into your situation because there’s never been so many lies, so much deception,” he said. “We’re going to get a special prosecutor because people have been, their lives have been destroyed for doing one fifth of what you’ve done.”

While responding to Trump, Clinton said that it’s “awfully good that someone with the temperament of Donald Trump is not in charge of the law of our country.”

“Because you’d be in jail,” Trump hit back.