![Paul Whelan, a retired U.S. Marine who was arrested for alleged spying, listens to the verdict in a courtroom at the Moscow City Court on June 15, 2020.](https://assets2.cbsnewsstatic.com/hub/i/r/2023/05/04/5cd17ed2-c3ec-423f-a27d-f245fe0bc08f/thumbnail/640x360g2/515f0e3bf6a55c8215fa4f34ef4c72c0/ap23117602186617.jpg?v=5710b2ed1cee1bdfd30cb9c02455b43d#)
Paul Whelan issues plea to Biden: "He's the man that can bring me home"
Whelan was first detained by Russian authorities in December 2018 while attending a friend's wedding. He was convicted in 2020 of espionage and sentenced to 16 years of hard labor.