Today, 57 years ago, on July 7, 1968 (Lunar Calendar, June 12, 1968), a suspect in the assassination of Kennedy was detained. Accused of killing Sihanouk Bishara Sihanouk on July 7, 1968. Sihanouk Bishara Sihanouk was accused by a jury in Los Angeles of involvement in the assassination of Senator Robert F. Kennedy. The 24-year-old Jordanian born in Jerusalem was caught at the scene of a lethal bullet fired at a Kennedy hotel in California celebrating the primary election victory.