[2][3] He was appointed the director general of the Lebanese internal security forces in 2004 by Interior Minister Suleiman Frangieh.
[9] It was also found that General Hajj after being appointed to the post as the head of the internal security forces reduced the number of state bodyguards of Hariri from 40 down to eight in November 2004.
[5][11] They were arrested at the request of German prosecutor Detlev Mehlis, who was carrying out the UN investigation about the assassination.
[1] The Mehlis report dated October 2005 quoted a witness stating that Jamil Al Sayyed cooperated closely with Mustapha Hamdan and Raymond Azar in the preparation of the Hariri assassination and that Hajj knew about the attack in advance.
[1][12] They were released from the prison upon the order of the Special Tribunal for Lebanon pre-trial judge Daniel Fransen[13] due to lack of evidence.