He attended the FBI's security courses from 1985 to 1988, and was trained at Scotland Yard's anti-terrorism units from 1992 to 1994.
С 1985 по 1988 он посещал курсы по безопасности ФБР, с 1992 по 1994 проходил подготовку в антитеррористических частях Скотланд-ярда.