The Lashkar al-Zil or Shadow Army (also known as Jaish al Usrah, or the Army of the Protective Shield[1]) is a paramilitary organization linked to al-Qaeda and descended from the 055 Brigade.[2] According to Syed Saleem Shahzad, it "comprises the Pakistani Taliban, 313 Brigade, the Afghan Taliban, Hezb-e-Islami Afghanistan and former Iraqi Republican Guards".[3] Lashkar al-Zil has reportedly been led by Khalid Habib al Shami,[2] Abdullah Said al Libi, and Ilyas Kashmiri.[3][4]
The Lashkar al-Zil has been involved in attacks in Afghanistan's eastern and southern provinces.[5] News reports have linked it to several specific attacks, including the Camp Chapman attack[3] and the Sudhnati suicide bombing.[6]
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"In my opinion al-Qaida fighters from the Lashkar al-Zil are actively involved in all Taliban fronts, from Nuristan in the north to Helmand in the south," [University of Massachusetts associate professor Bryan Glyn] Williams said.
there are clear indications that the January 6, 2010 attack targeting a military installation in the Sudhnoti district of Azad Kashmir, which killed four Pakistani soldiers...[was] masterminded by the Lashkar-e-Zil.[dead link ]