The Hezb-e-Islami Gulbuddin, also referred to as Hezb-e-Islami or Hezb-i-Islami Afghanistan, is an Afghan political party and paramilitary organization, originally founded in 1976 as Hezb-e-Islami and led by Gulbuddin Hekmatyar. From Wikipedia
The Afghan national, identified in reports as Mohammad Kharwin, was apprehended and released by U.S. authorities on multiple occasions despite being on the FBI's terror watchlist.