Sen. Ron Wyden Ronald (Ron) Lee WydenGOP set to release controversial Biden report Democrats fear Russia interference could spoil bid to retake Senate GOP senator blocks Schumer resolution aimed at Biden probe as tensions run high MORE (D-Ore.) took aim at former Director of National Intelligence James Clapper James Robert ClapperOn China, Biden is no Nixon — and no Trump The Hill's 12:30 Report - Speculation over Biden's running mate announcement Trump slams former intelligence officials to explain 'reluctance to embrace' agencies MORE on Wednesday after Clapper denied during an interview that he had lied to Congress in his 2013 testimony.

Wyden, a senior member of the Senate Intelligence Committee, called on Clapper to "stop making excuses," accusing him of "lying to the American people about mass surveillance."

"James Clapper needs to stop making excuses for lying to the American people about mass surveillance," Wyden tweeted Wednesday afternoon. "To be clear: I sent him the question in advance. I asked him to correct the record afterward. He chose to let the lie stand."

James Clapper needs to stop making excuses for lying to the American people about mass surveillance. To be clear: I sent him the question in advance. I asked him to correct the record afterward. He chose to let the lie stand. https://t.co/i6jls7I9Em — Ron Wyden (@RonWyden) March 6, 2019

"When intelligence leaders mislead the public about surveillance, they fuel the cynicism and mistrust of government that lets wannabe authoritarians gain power," Wyden added in a subsequent tweet.

When intelligence leaders mislead the public about surveillance, they fuel the cynicism and mistrust of government that lets wannabe authoritarians gain power. — Ron Wyden (@RonWyden) March 6, 2019

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The comments came after Clapper told CNN's John Berman that he was not lying when he denied to Wyden and the Senate panel in 2013 that the National Security Agency "wittingly" collected data on millions of Americans.

"[T]he allegation about my lying, I didn’t lie, I made a big mistake and I just simply didn’t understand what I was being asked about," Clapper told Berman. "I thought of another surveillance program, Section 702 of the Foreign Intelligence Surveillance Act when I was being asked about Section 215 of the Patriot Act at the time, I just didn’t understand that.”

Wyden has long been a critic of Clapper's, slamming his tenure as director following Clapper's decision to resign one week after President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's election.

“During Director Clapper’s tenure, senior intelligence officials engaged in a deception spree regarding mass surveillance,” Wyden said at the time. “Top officials, officials who reported to Director Clapper, repeatedly misled the American people and even lied to them.”

Clapper has maintained that his statement to Wyden before the Senate panel in 2013 was a "mistake," and has denied that he ever tried to hide the scope of the federal government's surveillance U.S. citizens.