Evidence Detection Unit Community Services Unit Information & Analysis Unit Criminal Investigation Unit Crisis Negotiation Team Evidence Detection Unit Professional Development Unit K-9 Unit Motorcycle Unit Ordnance Disposal Police Athletic League Special Weapons & Tactics Unit Traffic Services Unit Walking and Bike Patrol Mounted Patrol Unit  Patrol Division   The New Castle County Evidence Detection Unit is composed of five crime scene detectives. The unit's duties and responsibilities are as follows: Process crime scenes as assigned. These scenes include burglaries, roberies, death investigations, assaults, sexual assaults, homicides, and other incidents as deemed by supervision. During the processing of a crime scene the investigating evidence detection officer documents the scene with video, photography and crime scene sketches. They are respossible for locating, processing and analyzing physical evidence obtained at a crime scene. The Evidence Detection Officer processes items of evidence for latent prints and trace evidence both on scene or in a controlled environment.