The Special Investigations Division is under the command of Major Thomas Feeney.

The division handles a variety of investigations and tasks from major drug traffickers to gangs to analyzing crime intelligence, crime trends and crime reduction efforts. The division includes civilians and mostly undercover detectives.

The units and sections in the division are:

Gang Enforcement

Law Enforcement Intelligence Nexus Center (LINC)

Narcotics

Vice/Morals

Major Violators

Sheriff's Targeted Area Response (STAR) Squads

Selective Operaitons

Electronic Surveillance

Warrants

Crime Analysis