He was a brilliant programmer and a vicious cartel boss, who became a prized U.S. government asset. The story of an elusive criminal kingpin.

The robbers had a crew of two dozen specialists, a stolen helicopter, perfectly designed explosives, and inside information on a $150 million cash repository in Stockholm. The inside tale of one of history’s most elaborate heists, and the race to unravel it.

He shed his identity with the goal of disappearing for one month. Then the manhunt began.