The Investigations Division is supervised by Sergeant Bill Grimmich.  Sgt. Grimmich has been with the Sebastian Police Department since April 1989 and has worked in a supervisory capacity for Road Patrol, Special Operations and Field Training, before coming to the Investigations Division.  Sgt. Grimmich was also assigned to Indian River County Narcotics Unit, better known as the Multi Agency Criminal Enforcement Unit (M.A.C.E.).  The Investigations Division is staffed by Detective D. Acosta, Detective J. Mills, and Detective R. Vafiades.  This division is responsible for all investigative needs, ranging from crime against property to crimes against persons.  This division is also responsible for tracking the City's sexual offenders and intelligence gathering.