Source:
NYTAs targeted killings have risen sharply across Afghanistan, American and Afghan officials believe that many are the work of counterintelligence units of the Haqqani militant network and Al Qaeda, charged with killing suspected informants and terrorizing the populace on both sides of the Afghanistan-Pakistan border.
Military intelligence officials say that the units essentially act as death squads and that one of them, a large group known as the Khurasan that operates primarily in Pakistan’s tribal areas, has been responsible for at least 250 assassinations and public executions.
Another group, whose name is not known, works mainly in Afghanistan and may be responsible for at least 20 killings in Khost Province over the summer alone, including a mass beheading that came to light only after a video was found in the possession of a captured insurgent. The video shows 10 headless bodies evenly spaced along a paved road, while their heads sit nearby in a semicircle, their faces clearly visible.
It is another indication that the Haqqanis, a mostly Pakistan-based faction, remain the most dangerous part of an insurgency that makes full use of a porous and often ill-defined border, as the NATO strike that killed 24 Pakistani soldiers over the weekend showed.
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http://www.nytimes.com/2011/11/29/world/asia/haqqani-militants-use-death-squads-in-afghanistan.html?pagewanted=all