When exactly was that. This is the first I heard of it.
Flynn had previously made several statements under oath. In his affidavit in support of withdrawing his plea, he said he lied when he made those statements. That is perjury.
Powell was incompetent when she advised Flynn to make that admission.
But her entire representation of Flynn was incompetent for more reasons than that.
She was saved when Trump pardoned Flynn.
There is so much more from a legal perspective about this case, none of it a credit to Powell. To say she was incompetent is in fact charitable to her.
BTW, The Federalist apologist for Powell, in the apologist’s articles on the case, also never addressed the specific legal issues raised by Powell. The writer had been a judge’s clerk without appellate experience or an understanding of the issues.