Security expert Ambassador Robin Singh was working for State Department . Office and home have been searched , officials say . The State Department has been cooperating with our law enforcement colleagues , '' State Department spokesperson Jen Psaki said . Her security clearance was revoked and her contract has not been renewed , officials say .
Security expert Ambassador Robin Singh was working for State Department . Office and home have been searched , officials say . Her security clearance was revoked and her contract has not been renewed , officials say .