sentences:  On 11 May 1972, Bloomquist was killed by a bombing attack on the headquarters of the V Corps in the IG Farben Building in Frankfurt.The attack was committed by the Red Army Faction, a West German far-left militant organization that targeted US military facilities and personnel in West Germany.The bombing was one of the Red Army Faction's first attacks, and was one of a series of bombings as part of the "May Offensive", and operation in retaliation for the United States' re-escalation of the Vietnam War.