Investigative Section

The Investigative Section functions in support of the Support Services Division. The primary goal of the Section is to provide follow-up criminal investigations leading to the identification, arrest, and prosecution of suspects, recovery of property, and the clearance of cases. Section personnel employs a variety of investigative techniques and teamwork to accomplish this goal.

The Investigative Section includes three specialized bureaus:

  • Crimes Against Persons caseloads include:
    • Assault
    • Domestic Violence
    • Elder/Child Abuse
    • Robbery/Homicide
    • Sex Crimes
    • Weapons Violations
  • Crimes Against Property caseloads include:
    • Elder Financial Abuse
    • Forgery/Fraud
    • Grand Theft Auto
    • Grand Theft
    • Identity Theft
    • Residential/Commercial Burglary
  • High-Tech Crime caseloads include County, State, and Federal large asset forfeiture cases.

The complexity of modern criminality requires detectives to be trained and knowledgeable in all the specific types of criminal activities in each category. Investigative Services personnel conduct all aspects of criminal investigations.

Other Criminal Activities Handled by the Detective Bureau

Civilian, non-sworn support personnel (a Police Service Officer) also handle a variety of matters including Misdemeanor Adult Crimes; Alhambra Municipal Code Violations; Annoying and Harassing Telephone Calls; Vandalism.

Additional tasks include Subpoena Service and Court Liaison. An assigned uniform patrol officer will conduct an initial investigation, write a report on the crime circumstances, pertinent facts, witness statements, and list physical evidence at the scene. Cases are prioritized for investigative follow-up based on the severity and nature of the crime and the presence or absence of workable leads. Current investigative skills, techniques, and technical resources are used to identify, locate and apprehend criminal suspects, recover stolen property and provide prosecutors with criminal cases that will culminate in successful prosecutions.


Special Enforcement Unit (S.E.U.)

  • The S.E.U. unit is comprised of detectives assigned to specific caseloads involving all gang-related criminal activity, vice, narcotics, criminal intelligence, and alcohol-related crimes and is supervised by a police sergeant. The unit works with county, state, and federal law enforcement agencies.
  • Gang enforcement officers assigned to the Field Services Division work in partnership with SEU conducting monthly enforcement operations focusing on criminal gang activity, parolees, and those on active probation.
  • The detective works with sworn law enforcement personnel from the county, state, and federal agencies investigating and apprehending criminal suspects involved in narcotics trafficking.

Property Unit

  • The Property Unit, staffed by Property Clerks, annually processes on average 5,000 items of property and evidence booked into the property system. Items are logged, inventoried. Tens of thousands of pieces of property are maintained in the Property Unit. The Property Clerk is also responsible for releasing and disposing of items pursuant to applicable law.
  • Persons seeking the return of any item(s) booked into the Police Department's Property Unit should contact the Property Clerk at 626-570-5148 or email the Property Clerk. to make an appointment for pick up. Pick-up times are: Monday through Thursday from 7:00 am to 4:30 pm.
  • This section is responsible for the intake of all property booked as evidence, safekeeping, or found. All property must be verified, properly cataloged, and stored until needed for court release or other disposition.
  • The property clerk maintains property records to ensure that the chain of custody is maintained. Upon receipt of disposition instructions from either investigators or the court, items are pulled for destruction, auction, donation, or conversion for City use.
  • All efforts are made to locate the owners of found property. All persons requesting items for pick-up must do so by appointment only. For more information, contact the Property Clerk at 626-570-5148 or email the Property Clerk.