Officials believe the unidentified agent supplied information used in a July 15 story in the left-leaning MS NOW, formerly left-wing MSNBC, portraying Vance and his family as an unreasonable burden on their security team, according to two sources, a second of whom confirmed officials had already identified the suspected leaker. The Secret Service's internal affairs component is conducting the review, and it remains unclear whether the agent could face administrative punishment or criminal charges.
https://redstate.com/ben-smith/2026/07/23/what-is-going-on-another-suspected-leaker-found-inside-jd-vances-secret-service-detail-n2204660