 Nevertheless, under her pressure, he agreed to the marriage, which took place in July 1966.In 1968 Marwan started working in the Presidential Office under Sami Sharaf, Nasser's aide-de-camp and the strongman of the Egyptian security service, who kept an eye on him.In late 1968 Marwan, Mona, and their new-born son, Gamal, left for London, allegedly for the continuation of Marwan's studies.