John Brennan

Donald Trump should be `ashamed` of attacks on ex-intel chiefs: former CIA head

Ex-CIA chief says he warned Russia against meddling in US presidential election

US spy chiefs confront Donald Trump with Russia findings

Russia hits back following CIA chief's accusation on Syria

CIA's John Brennan says tearing up Iran deal would be "folly"

Putin is very aggressive,assertive and manipulative: CIA chief

ISIS may plan Istanbul-like attack in US: CIA

Istanbul attack bears `hallmark` of IS: CIA director

Secret 9/11 report not evidence of Saudi complicity: CIA chief

CIA chief expects more IS attacks in 'pipeline'

Military solution 'impossible' in Middle East: CIA chief

CIA chief's hacked email: Pakistan uses militant proxies against India

Teen hacker says he cracked CIA head's personal email: Report