Reporting Suspicious Activity in Colorado

Reporting Suspicious Activity in Colorado

Map of Colorado

If there is an emergency, call 911.

The Colorado Information Analysis Center (CIAC) is Colorado's Threat Assessment Center. CIAC operates 24/7, providing intelligence and investigative and technical support to agencies critical to homeland security efforts in Colorado.

To report suspicious activity, call 877-509-CIAC (877-509-2422)

For all locations in Colorado, see:


How to Report Suspicious Activity

Public safety and security is everyone's responsibility. If you see suspicious activity, report it to local law enforcement or a person of authority using the “5W’s”:

Who did you see? What did you see? When you saw it. Where it occurred. Why it's suspicious.Who did you see? What did you see? When you saw it. Where it occurred. Why it's suspicious.

If there is an emergency, call 9-1-1.

Do not report suspicious activity to the Department of Homeland Security. Instead, notify local law enforcement.

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