By David D. Kirkpatrick and C. J. Chivers, New York Times, April 5/6, 2011

ZAWIYAH, Libya —....Some depicted corpses bearing the marks of torture. One showed scars down the back of a man dressed only in his underwear, another a naked man face down under a sheet with his hands bound. The faces of the dead bore expressions of horror. Other pictures showed puddles of blood, a table of jars, bottles and powders and, in one, a long saw.

In a labyrinthine basement, workers were clearing out burned books and files. One room contained a two-liter bottle of gin. Gesturing into another room that was kept dark, a worker mimicked a gun with his hands and murmured “Qaddafi,” suggesting it was an execution chamber.

Journalists discovered the photographs and records on an official trip to this devastated city, where Qaddafi forces battled rebels for nearly a week to retake control....