Lawmakers want to know if suspended Iran envoy was compromised by the Iran Experts Initiative
Leaks constitute 'a significant security breach of U.S. government property by a foreign adversary'
The Defense official and two others affiliated with the network served as aides to suspended Biden Iran envoy Robert Malley, Semafor reports
Leaked Document: Robert Malley's Security Clearance Revoked Over Handling of Sensitive Info, Personal Conduct, and Use of Classified Networks
Embattled US-Iran envoy claimed he had no idea why clearance was revoked