In an exclusive interview, an engineer working to unlock the secrets of the captured RQ-170 Sentinel says they exploited a known vulnerability and tricked the US drone into landing in Iran.

By Scott Peterson, Staff writer, Payam Faramarzi*, Correspondent / December 15, 2011

This photo released on Thursday, Dec. 8, by the Iranian Revolutionary Guards, claims to show US RQ-170 Sentinel drone which Tehran says its forces downed last week, as the chief of the aerospace division of Iran’s Revolutionary Guards, Gen. Amir Ali Hajizadeh, right, listens to an unidentified colonel, in an undisclosed location within Iran.

Sepahnews/AP