The more things change, the more they stay the same. Here is an article about a scientist being stripped of his position for "lying to government officials about his contact with a Chinese government agency": https://apnews.com/article/235705c7507a46188fc26a663d96b014

Relevant quote:

As part of a new science and technology “risk matrix,” which has not been made public, the Department of Energy also said it would not fund joint research or support “sensitive country foreign nationals.”