This unflinching series documents the 9/11 terrorist attacks, from Al Qaeda's roots in the 1980s to America's forceful response, both at home and abroad.This unflinching series documents the 9/11 terrorist attacks, from Al Qaeda's roots in the 1980s to America's forceful response, both at home and abroad.This unflinching series documents the 9/11 terrorist attacks, from Al Qaeda's roots in the 1980s to America's forceful response, both at home and abroad.