The phrase "admitted to having testified" is correct and usable in written English.
It can be used when discussing someone acknowledging or confessing that they have provided testimony, often in a legal or formal context.
Example: "During the trial, the witness admitted to having testified about the events of that night."
Alternatives: "acknowledged having testified" or "confessed to having testified."
The lead agent with the Federal Bureau of Investigation admitted in court to having testified falsely.
Last week, a woman with whom Greitens previously admitted to having an extramarital affair in March 2015 testified before a Missouri House special investigative committee that their sexual encounters weren't always consensual and were sometimes violent.
In seeking a search warrant for the driver's home, both testified that the man had admitted to having contraband in his apartment, where drugs and a gun were later found.
This week, former campaign advisory Carter Page, already admitted to having spoken with Russian officials during the campaign, agreed to testify before the House Intelligence Committee.
Meanwhile, the UCI has called on Armstrong to testify to its commission on doping if, as expected, he admits to having doped during his career.
That feeling of guilt would not have been easy to admit in church, where she had testified gratefully to her miraculous salvation amid cries from her fellow congregants: praise the Lord; he was there with you.
Mr. Ray, sitting across a polished wooden table, said the president would have to agree to some sanction, like the suspension of his law license; to make some statement admitting for the first time that he had testified falsely about his relationship; and to agree not to seek reimbursement for his legal fees as he was entitled to do if not indicted.
But in her cross-examination, Chepiga got Atkins to admit that, in an earlier deposition, he had testified that it really didn't matter to ABN who picked the portfolio on which the company was guaranteeing payment.
Mental Health America which receives nearly twenty percent of its funding directly or indirectly from SAMHSA testified against the bill (and on questioning admitted to not having read it).
Both have testified to the grand jury.
