a theatrical explosion. you just saw hunter biden and his lawyer leaving that building right there. quite a moment. melanie on capitol hill, you saw much of it. explain what we just saw. >> reporter: yeah. yeah. well, hunter biden made a surprise appearance today in front of the house oversight committee which was about to recommend that he be referred to the department of justice for defying a subpoena and be held in contempt of congress. now a little bit of the back story. republicans requested that hunter biden sit down wfor a closed door deposition. him and his lawyer have said they would show up for a public hearing and he doesn't want his testimony selectively leaked by republicans. today him and his legal team made the point that he's here again today, he is willing to talk to republicans. democrats made the point that he is not scared of the committee, that he's willing to talk to them. and basically trying to show