 As the question of how the notebooks came into the defence's hands is disputed, the first criticism may be misplaced, but he does suggest that the investigation was carried out hastily.The Metropolitan Police conducted an internal investigation into Hannam's conduct during his investigation, and also studied the relationship between Hannam and the press in depth.The results were never made public, but a year later Hannam's police career ended, and he was later employed in a private security agency.