The Investigative Support Bureau (ISB), led by Assistant Chief Tina Laguna, provides comprehensive investigative expertise and advanced technical capabilities that strengthen the Alexandria Police Department’s commitment to justice and community safety.

The Bureau is the backbone of crime solving for the city, comprised of the Criminal Investigations Division and the Technical Services Division. These specialized units work in close partnership to solve crimes, enhance operational efficiency, and ensure the integrity of every case, from major felony crimes to complex financial and specialized offenses.

Our teams of skilled professionals are relentlessly dedicated to uncovering the truth, meticulously collecting evidence, and bringing cases to closure. We are guided by a clear commitment to:

• Victim-Centered Investigations: Conducting thorough, victim-centered investigations that uphold the highest standards of professionalism, accountability, and respect, and supporting victims through every step of the process.
• Advanced Technology and Forensics: Utilizing cutting-edge technology, digital forensics, and data-driven analysis to support investigations and improve outcomes.
• Strategic Collaboration: Collaborating across divisions and with local, state, and federal partners to deliver accurate, transparent, and effective investigative results.

Under Assistant Chief Laguna’s leadership, the Investigative Support Bureau ensures that every investigation contributes to a safer, stronger, and more informed Alexandria.