These include the April 18, 1983 bombing of the United States embassy in Beirut, Lebanon, which killed 63 people including 17 Americans. Mughniyah was fingered as the mastermind of the October 23, 1983 simultaneous truck bombings against French paratroopers and the U.S. Marine barracks, attacks which killed 58 French soldiers and 241 Marines. On September 20, 1984, Mughinyah is alleged to have attacked the US embassy annex building.