Attorney General William Barr Bill BarrBiden rips Barr's comments on coronavirus restrictions as 'sick' OVERNIGHT ENERGY: Cheney asks DOJ to probe environmental groups | Kudlow: 'No sector worse hurt than energy' during pandemic | Trump pledges 'no politics' in Pebble Mine review Cheney asks DOJ to probe environmental groups MORE announced Monday that he would raise the threshold for opening counterintelligence probes into presidential campaigns after accusations that the investigation into President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE’s 2016 campaign was flawed.

Now, investigations into presidential candidates will require the signature of the attorney general and the head of the FBI, Barr said in a news conference with FBI Director Christopher Wray.

“One of the things that we agreed on is that the opening of a counterintelligence investigation of a presidential campaign would be something that the director of the FBI would have to sign off on and the attorney general,” he said.

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Previously, lawyers from the Justice Department would review applications sent to the Foreign Intelligence Surveillance Act (FISA) court and approve any probes, with top official signatures not being required, according to Reuters.

Barr’s comments come after the department’s inspector general, Michael Horowitz, released a report late last year saying FBI officials made multiple mistakes when applying to the FISA court for the investigation into the Trump campaign’s connections to Russia. These mistakes made the case seem stronger than it was, Horowitz wrote in his report.

Wray announced Friday that the FBI would toughen its procedures when asking to open electronic surveillance in certain cases.

Former Justice Department official David Kris has been nominated to help advise on proposed changes, but Trump criticized the selection, saying Kris has “zero credibility.”