Chris Van Heerden, the boyfriend of Ksenia Karelina, a dual Russian American citizen who is being detained overseas on suspicion of treason, joined “CUOMO” on Thursday. He said Karelina asked her friends to send her a letter telling her how to act in prison, but those letters haven’t made it to her. “The thought of her going to actual Russian prison — will she survive?” Van Heerden said. “I don’t know.” #Karelina #Russia #Prison Chris Cuomo hosts "CUOMO," a no-nonsense show featuring the day's most important news from all perspectives. "CUOMO" airs weeknights at 8 p.m. ET/ 7 p.m. CT on NewsNation. #CUOMO NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij