Davis was said to be among a large covert army of spies operating across Pakistan.
In the war against terrorism, many of the soldiers are actually under the command of George Tenet, a kind of covert army.
perpetrators of some attacks have fled to Waziristan, where they find shelter among jihadi groups that allegedly enjoy covert army support.
It reports that the C.I.A. has a 3,000-man "covert army" in Afghanistan called the Counterterrorism Pursuit Teams, or C.T.P.T., mostly Afghans who capture and kill Taliban fighters and seek support in tribal areas.
Past news accounts have reported that the C.I.A. has a number of militias, including one trained on one of its compounds, but not the size of the covert army.
For many years I was a member of a covert army squad, the Force Research Unit, at the centre of many of the allegations investigated by Sir John Stevens, the Metropolitan police commissioner.
In a unique insight into the undercover war against loyalist and republican terror suspects in the early 21st century, the army "spy" also discloses how the Real IRA wrongfooted a covert army squad, allowing the terror group to elude surveillance and murder a civilian worker at a Territorial Army base.
He said loyalist paramilitaries had been helped by RUC officers and members of a covert army squad, the FRU (force research unit), and that the cooperation between them included "wilful failure to keep records, the absence of accountability, the withholding of intelligence and evidence, and the extreme of agents being involved in murder".
Aged 25 and 17, they were members of D Company of the Belfast IRA's 2nd Battalion – the organisation's most active unit in the city, nicknamed "the Dogs" – and were killed after confessing to collaborating with the Military Reaction Force (MRF), a covert British army unit.
Conservative opposition to it was reinforced on this occasion by a popular Protestant movement in Ulster, and the new Conservative leader, Andrew Bonar Law, who had replaced Balfour in 1911, gave his covert support to army mutineers in Ulster.
