In this preview of an interview to be broadcast on "CBS Sunday Morning" April 4, Hunter Biden, who found himself at the center of an election-year firestorm stirred by his father's political opponents, tells correspondent Tracy Smith that he does not know whether he was the victim of theft, hacking, or a Russian intelligence plot. "CBS Sunday Morning" features stories on the arts, music, nature, entertainment, sports, history, science and Americana, and highlights unique human accomplishments and achievements. Check local listings for CBS Sunday Morning broadcast times. Subscribe to the "CBS Sunday Morning" YouTube channel: http://bit.ly/20gXwJT Get more of "CBS Sunday Morning": http://cbsn.ws/1PlMmAz Follow "CBS Sunday Morning" on Instagram: http://bit.ly/23XunIh Like "CBS Sunday Morning" on Facebook: https://bit.ly/3sRgLPG Follow "CBS Sunday Morning" on Twitter: http://bit.ly/1RquoQb Subscribe to our newsletter: http://cbsn.ws/1RqHw7T Download the CBS News app: http://cbsn.ws/1Xb1WC8 Try Paramount+ free: https://bit.ly/2OiW1kZ For video licensing inquiries, contact: licensing@veritone.com