The bureau of investigative services is comprised of many specialized units. Investigators interview people, gather documents and evaluate the facts of a crime. The purpose of the investigators actions are several:

1) To establish that a crime was in fact committed.
2) To identify and apprehend the suspects.
3) To recover stolen property.
4) To assist the state in criminal prosecutions of the suspects charged with the offense.

Within the Investigative Bureau there is Special Services. This consists of drug identification, interdiction, and investigation. This unit consists of undercover detectives.

If you have any specific questions or need information call LT. Roark at (978) 256-2521 ext102 or e-mail at:Bis@townofchelmsford.us