The U.S. government is ramping up efforts to track down collaborators linked to spy Xu Yanjun, who is currently serving a prison sentence. Bloomberg posted on X, highlighting the ongoing investigation into individuals associated with Yanjun's espionage activities. The pursuit forms part of a broader strategy to address national security concerns and prevent further intelligence breaches. In a related development, Jordan Robertson, host of The Big Take's limited-run series, The Sixth Bureau, received an unexpected call that led to a significant discovery, shedding new light on the case. The investigation underscores the U.S. government's commitment to safeguarding its interests and maintaining security.