"While some of these fighters are from Afghan families that fled Afghanistan in past decades, they generally were born and raised in Pakistan and often made their first trip to Afghanistan in order to fight or to carry out suicide attacks," he said.Testifying before the House Foreign Affairs Committee's Subcommittee on the Middle East and North Africa, Sedney said the attacks in Kabul and Khowst, to him bore all the signatures of the Haqqani Network, a Taliban group resident in Pakistan and with long-standing ties to Pakistan's intelligence services.