January 4, 2004 From Rogue Nuclear Programs, Web of Trails Leads to PakistanBy DAVID E. SANGER and WILLIAM J. BROAD he Pakistani leaders who denied for years that scientists at the country's secret A. Q. Khan Research Laboratories were peddling advanced nuclear technology must have been averting their eyes from a most conspicuous piece of evidence: the laboratory's own sales brochure, quietly circulated to aspiring nuclear weapons states and a network of nuclear middlemen around the world.The cover bears an official-looking seal that says "Government of Pakistan" and a photograph of the father of the Pakistani bomb, Abdul Qadeer Khan....