However, Corsi told The Post, he amended his testimony after Mueller's investigators allowed him to refresh his memory and review his emails, which were housed on a laptop he had provided under a subpoena.
He later amended his testimony, telling the prosecution after the lunchtime break the witness was 300m away, not 600m.
But Det Botha also amended his testimony on the proximity of the witness who he said had heard arguments.
Det Botha, the first officer to arrive at the scene of the Valentine's Day shooting, was accused of mishandling the investigation after he amended his testimony during fierce questioning by Mr Pistorius's defence lawyers in last month's bail hearing.
Sessions later amended his testimony to the Senate to include his meetings with Kislyak.
Republicans also questioned why it had taken Mr. Burris nearly a month to amend his testimony, and why lawmakers had not heard of the amendments until they were revealed on Saturday in The Chicago Sun-Times — more than a week after he sent them.
Unlike Maharaj, Butler failed part of his polygraph, and went on to amend his testimony.
Richard Burr (R-N.C). and Mark R. Warner (D-Va)., leaders of the Senate committee, said in recent days that Cohen had sent word to the committee that he had no desire to amend that testimony.
Attorney General Jeff Sessions was forced to amend prior testimony to Congress this week, acknowledging that contrary to an earlier statement, he'd encountered the Russian ambassador to the United States twice in the last year.
Caputo's attorney on Friday sent a letter amending his House testimony, and he plans to present Caputo's account of the Greenberg incident to the Office of Inspector General for the Justice Department, which has announced it is examining the FBI's use of informants during the Russia probe.
