This says he made trips after he lost his security clearance when he left state dept.

"Kevin Mallory, a 60-year-old Virginia resident, was arrested Thursday morning on charges he transmitted top secret and secret classified documents to an agent of China's security services, according to the DOJ. Mallory allegedly travelled to Shanghai in March and April 2017, where me het with an individual he believed was representing China's Intelligence Service."

"As required for his various government positions, Mallory obtained a Top Secret security clearance, which was active during various assignments during his career," the DOJ said. "Mallory's security clearance was terminated in October 2012 when he left government service." http://freebeacon.com/national-security/u-s-defense-contractor-charged-passing-top-secret-info-china/