jared kushner, whose own voice was long a target of speculation. >> what does his voice sound like? >> my main business is real estate. >> reporter: jared found his voice. >> it's working and it's very exciting. >> reporter: but when robert mueller finally spoke, he spoke about not speaking again. >> now, i hope and expect this to be the only time that i will speak to you in this manner. >> reporter: am i the only one who thought robert mueller's voice would sound like ian mckellan! you shall not pass! >> reporter: did anybody else expect robert de niro's voice to come out of mueller's mouth? >> wait a second! >> reporter: after all, de niro played mueller. >> no collusion, no obstruction, so. ♪ don't stop me now >> reporter: not since monica lewinsky has everyone been talking so much about someone who wouldn't talk. >> her voice, just heard it. we haven't heard her voice. >> reporter: and even though mueller talked, he wouldn't