In the very last hours of President Joe Biden’s time in office, a prisoner exchange years in the making was finally struck: the Taliban agreed to swap two Americans being held in Afghanistan for one Taliban member serving a life sentence in a US prison.

President Joe Biden spoke Sunday with relatives of three Americans the U.S. government is looking to bring home from Afghanistan, but it was unclear from the call if a deal to bring them back that is now on the table could be completed before the he leaves office next week.

Ryan Corbett, an American detained in Afghanistan, was released amid the U.S. presidential transition, according to his family.

The last-minute deal was the final capstone in Biden’s campaign to release dozens of Americans detained abroad.

Afghanistan's Taliban government announced on Tuesday the release of two Americans in a prisoner exchange. The Taliban's Foreign Ministry in Kabul did not name the two U.S. citizens, but said they were exchanged for Khan Muhammad,