Former Democratic Rep. Eric Swalwell admitted to FBI agents in 2015 that he had intimate relations multiple times with suspected Chinese spy Christine 'Fang Fang' Fang.
https://www.foxnews.com/politics/declassified-fbi-docs-reveal-swalwell-had-sex-fang-fang-multiple-occasions
https://www.foxnews.com/politics/declassified-fbi-docs-reveal-swalwell-had-sex-fang-fang-multiple-occasions