White House press conference Jan 21 - Hunter Biden on a hot mic?

Quote: "so just so you know my life, uh, as we are waiting to do this i just agreed to a plea sentence for a..." then the audio fades away.

The assumption is that the person speaking on the hot mic is Hunter Biden.

White House YouTube video: https://www.youtube.com/watch?v=Ec3mkoSWf0A&start=4590