Former U.S. Attorney Preet Bharara Preetinder (Preet) Singh BhararaDemocratic attorneys criticize House Judiciary Democrats' questioning of Barr Clyburn echoes calls to rename Pettus bridge Support swells for renaming Edmund Pettus Bridge in Selma to honor John Lewis after his death MORE said Sunday that it would be "odd and unusual" if special counsel 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 final report isn't made public.

Bharara said during an interview on CNN's "State of the Union" that he's "optimistic" the report will be released because "there’s so much public interest."

"There’s been this long investigation over a period of time that it would seem odd and unusual if at the end of the day, we didn’t get the gist of what was going on," he added.

Former US Attorney Preet Bharara says he has optimism that the public will see the full Mueller report: “There’s so much public interest. There’s been this long investigation ... it would seem odd and unusual if at the end of the day, we didn’t get the gist of what was going on.” pic.twitter.com/GmEDOkh2g1 — State of the Union (@CNNSotu) February 24, 2019

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Mueller is investigating Russian interference in the 2016 election and possible collusion between the Trump campaign and Moscow. At the conclusion of his investigation, Mueller is required to submit a written report to the attorney general.

Recent media reports have indicated that Mueller may be close to wrapping up the investigation, but it's unclear whether his findings will be made public. Attorney General William Barr, who was confirmed earlier this month, has not committed to releasing the report.

House Intelligence Committee Chairman Adam Schiff (D-Calif.) said Sunday that Democrats are ready to subpoena the report, call Mueller to testify before Congress and take the Trump administration to court if the report isn't released publicly.