The Central Intelligence Agency ran the operation in conjunction with Idaho National Laboratory, the Israeli government and other U.S. agencies, according to people familiar with the efforts.

WSJ: FBI Probes Leaks About Cyberattacks by U.S.

However, first Mr Pastrana enforced the retirement of two army generals accused of collaboration with such groups, and then this week a big police operation shut down a huge drug laboratory run by the paramilitaries, capable of turning out eight tonnes of cocaine a month.

ECONOMIST: Colombians dream of peace