WASHINGTON: The US State Department said Friday it would not sanction an Israeli army unit involved in the killing of a Palestinian-American, saying Israel had already taken remedial action. Omar Assad, 78, a grocer who spent most of his adult life in Milwaukee, was on a return visit to the West Bank in January 2022 when he was handcuffed, gagged and blindfolded, dying after lying on the ground for more than an hour on a cold winter night.