U.S. Sen. Bob Menendez on Friday called for the results of special counsel Robert Mueller’s investigation to be released publicly.

“The American people deserve to know what is in the Mueller report, period,” Menendez said. “If the report is not made public, Congress and the American people will be left wondering what the Justice Department is hiding and that will further erode public confidence in the rule of law.”

Mueller delivered his long-awaited report to the U.S. Attorney General William P. Barr Friday.

His investigation into Russian interference during the 2016 presidential election has been a persistent thorn in President Donald Trump’s side.