The Investigations Division, responsible for the investigation of all criminal cases reported to the department, is a vital part of the Operations Bureau.  This division also prepares cases to be presented to the District Attorney and includes two major crime teams that work specific cases,  including homicides, robberies, burglaries and aggravated batteries.  There are also a number of specialized units under this division, including a Juvenile Unit, Identification Unit and the VIN (Vice, Intelligence and Narcotics) Division.