In the field of counterintelligence, a double agent (also double secret agent) is an employee of a secret intelligence service
Agent Storm "I had these different names. I had different personalities," Storm said. "I was Morten Storm, Murad Storm, Abu Osama, Abu Mujahid."
He was so trusted by senior al Qaeda leaders he once fixed one up with a European wife, all the while -- Storm claims -- working for Western intelligence agencies.
"For half a decade, I moved back and forth between two worlds and two identities -- when one misplaced sentence could have cost me my life," he writes in the book. "Traveling between atheism and hardline Islam, English and Arabic