Former acting Solicitor General Neal Katyal said Sunday that if Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE's investigation is a "witch hunt," the special counsel has "found a coven at this point."

Katyal during an appearance on NBC's "Meet the Press" pointed to Mueller's indictments of dozens of individuals, including several of 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 former associates, such as former Trump campaign chairman Paul Manafort Paul John ManafortOur Constitution is under attack by Attorney General William Barr Bannon trial date set in alleged border wall scam Conspicuous by their absence from the Republican Convention MORE and Michael Cohen Michael Dean CohenA huge deal for campaign disclosure: Trump's tax records for Biden's medical records Our Constitution is under attack by Attorney General William Barr Eric Trump says he will comply with New York AG's subpoena only after Election Day MORE, the president's former personal attorney.

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"So if this is a witch hunt, Mueller's found a coven at this point," he added.

WATCH: Neal Katyal and Solomon Wisenberg join Meet the Press for an exclusive joint interview to talk about the Special Counsel investigation. #MTP #IfItsSunday @neal_katyal: “If this is a Witch Hunt, Mueller’s found a coven at this point” pic.twitter.com/bnFOSlgQWX — Meet the Press (@MeetThePress) February 24, 2019

Mueller is investigating Russian interference in the 2016 presidential election and possible collusion between the Trump campaign and Russia. Trump has long railed against the investigation, labeling it a politically motivated "witch hunt."

Mueller is also reportedly probing possible obstruction of justice on the part of Trump.

Katyal said Sunday that obstruction of justice "comes pretty close" to collusion, adding that obstruction of justice is a "crucial" crime.

"It's a really thin read to say, 'Oh, you've been indicted for obstruction of justice about Russian collusion and not the Russian collusion itself.' I mean, some people denigrate these as so-called process crimes. But anyone in law enforcement knows, these are really crucial crimes," he said.