The City of La Quinta Police Department's Investigation Division is responsible for following-up and investigating reports, arrests, and tips which are most often initiated by uniformed patrol officers. The La Quinta Police Department's Investigations Division has been structured to effectively address the common crime trends observed within the City of La Quinta. Based upon previous case volume within the City of La Quinta, investigation cases generally fall into four crime divisions: Property Crimes (Burglary and Theft), Financial Crimes (Check Fraud, Credit Card Fraud, Identity Theft), Crimes Against Persons (Assaults, Robbery, Sexual Assault, Elder Abuse), and Child Abuse Crimes (Sexual Abuse and Physical Abuse).

Officers assigned to the Investigations Division work a variety of assignments: individual case review and preparation, criminal investigations, and crime scene analysis. Each Investigator is trained and assigned to a specific crime division, however, each Investigator is cross-trained and is available to assist in other areas when needed.