The Public Prosecution Office Amsterdam is reponsible for criminal investigations in the region Amsterdam, Amstelveen, Aalsmeer, Uithoorn, Ouder-Amstel and Diemen. It employs around 400 people, including some 75 public prosecutors. The Public Prosecution Office Amsterdam is headed by Acting Chief Prosecutor mr. J.J.A. Lucas , Deputy Chief Prosecutor Mr. J.H.A. Steenbrink and Director of Operations Mrs. H. Janssen.