A top congressional investigator is offering new clues about a suspected criminal “bribery” scheme involving President Joe Biden.In a letter sent Wednesday to FBI Director Christopher Wray, House Oversight Committee Chairman James Comer (R‑KY) revealed more specific terms for the bureau to find a record he demanded in a subpoena with a deadline that passed two weeks ago.A particular FD-1023 form, according to Comer, may reference some variant of “five million” and “June 30, 2020.” “These terms relate to the date on the FD-1023 form and its reference to the amount of money the foreign national allegedly paid to receive the desired policy outcome,” he wrote.The newly revealed date lands on the calendar about two weeks after Ukrainian officials announced there had been a $5 million bribe aimed at ending an investigation into the founder of Burisma Holdings, the same Ukrainian gas company at which Biden’s son, Hunter, served on the board for several years.At the time, Ukrainian anti-corruption prosecutor Nazar Kholodnytsky said a handful of suspects had been detained but stressed that “Biden Jr. and Biden Sr. do not appear in this particular proceeding,” according to Reuters.No reference to Ukraine nor any …