How to File a Missing Persons Report in Colorado: Steps and Alerts

To file a missing persons report in Colorado, contact any Colorado law enforcement agency as soon as you believe someone is missing. There is no waiting period. State law bars agencies from refusing a report because a person hasn’t been gone long enough, and the agency must accept the report without delay if you file in person and the missing person either lives in Colorado or was last believed to be in the state.¹ Reports by phone or electronic submission are also accepted when consistent with the agency’s policies.

Who Can File and How Quickly

Anyone with credible information can file. You do not need to be a relative, a spouse, or a legal guardian. If the person you’re worried about lives in Colorado, or was last known to be here, a Colorado agency has to take the report.

The 24-hour or 72-hour waiting period some people remember from television has never been the rule in Colorado. The statute is explicit: no minimum time before an agency will accept a report. If something feels wrong, call.

Where to file usually follows one of two logics. If the person disappeared from a specific location, contact the police department or sheriff’s office with jurisdiction over that place. If you’re not sure, start with your local agency and let them route the report. For guidance across jurisdictions, the Colorado Bureau of Investigation’s Missing Persons Unit serves as the state clearinghouse and can help coordinate.²

What to Bring to the Report

The more detail you can hand investigators at the start, the faster they can act. The CBI’s missing persons checklist recommends having as many details as possible about both the circumstances and the person’s description ready when you file.³ Try to bring:

Full name, date of birth, physical description, and any distinguishing features like tattoos or scars
A recent photo, ideally taken within the last six months
Where the person was last seen, what they were wearing, who they were with, and any vehicle details
Medical conditions, medications, mental health concerns, and any reason you believe they may be in danger

If you don’t have all of it, file anyway. You can supplement the report as more information comes together.

When an Agency Can Decline a Report

Colorado law carves out a few narrow situations where an agency may refuse a report. Another agency is already investigating the same disappearance. Police can already confirm the person’s location and safety. Or there is reason to believe the report is motivated by harassment, stalking, or an attempt to circumvent a protection order.¹ These exceptions exist to prevent abuse of the system, not to screen out families with genuine concern.

What Happens After You File

Once the report is accepted, officers start gathering information through interviews with family, friends, and anyone who may have seen the person. They assess whether the disappearance looks voluntary or involuntary, whether foul play is suspected, and whether the person is at-risk because of age, disability, or other vulnerability. That assessment shapes how quickly resources move.

The clock on database entry is set by statute. For at-risk individuals, the person’s information must be entered into law enforcement networks immediately. For all other cases, entry must happen as soon as practicable, and no later than two hours from the initial report. Those networks include the Colorado Crime Information Center and the FBI’s National Crime Information Center, making the information available to every law enforcement agency in the country.²

The CBI’s Missing Persons Unit assists local agencies with criminal background checks on the missing person and associated individuals, manages the state’s alert programs, and coordinates when a case crosses jurisdictional lines. For longer cases, the National Missing and Unidentified Persons System (NamUs) provides additional resources; its tools are designed to complement NCIC and are most useful for cases active more than 180 days. Before a case is published in NamUs, a regional administrator verifies the report with the investigating agency, and 18 specific data fields must be completed, including physical descriptors, last known location, and investigating agency contact information.⁴

One thing worth understanding early: if officers locate a missing adult who left voluntarily and is not in danger, the investigation typically ends there. They will confirm the person is alive and safe, but they generally cannot force the individual to reveal their location or return home. Competent adults have the right to disappear, and unless foul play or a danger to self is suspected, privacy prevails.

Colorado’s Alert Programs

Colorado runs several alert programs, and the CBI activates whichever one fits the case. Families don’t choose an alert; law enforcement determines which criteria are met.⁵

AMBER Alert, for abducted children believed to be in immediate danger, activated when there is enough descriptive information about the child and suspect to make a public broadcast useful⁶
Missing Senior Citizen Alert, created in 2006 for seniors who go missing and are believed to be in danger — Colorado’s equivalent of what many states call a Silver Alert⁵
Persons with Developmental Disabilities Alert, established in 2007 for vulnerable individuals with developmental disabilities who go missing and face a credible threat to their safety⁵
Missing Indigenous Person Alert, established in 2022 to help locate missing Indigenous individuals and raise awareness about these cases statewide⁵
Endangered Missing Alert, a catch-all for missing persons believed to be at risk who don’t meet the criteria for the more specific programs⁵

When you file, mention anything that might qualify the case for one of these programs — age, cognitive condition, suspected abduction, tribal affiliation. It gives the responding agency the information it needs to escalate.

False Reports Are a Crime

File in good faith. Knowingly reporting an incident to law enforcement that you know did not occur, or knowingly providing false information about one, is a Class 2 misdemeanor in Colorado under the state’s false reporting statute. A Class 2 misdemeanor carries up to 120 days in jail, a fine of up to $750, or both. If a false emergency report causes bodily injury, it becomes a Class 1 misdemeanor with up to 364 days in jail and a $1,000 fine. Serious bodily injury raises the charge to a Class 4 felony; a death raises it to a Class 3 felony. Courts may also order restitution for the costs law enforcement incurred responding.⁷ None of this should deter a report made in genuine concern; the statute targets people who knowingly lie to police.

Getting Help While the Case Is Open

The waiting is brutal. The CBI’s Victim Assistance Unit works directly with families of missing persons, serving as a liaison with investigating agencies, helping locate support groups and other resources, and providing a point of contact when the investigation feels opaque or stalled.⁸ The CBI’s Missing Persons Unit can also refer families to services beyond what the bureau itself offers.²

If you’re weighing whether to post on social media or talk to reporters, coordinate with the investigating agency first. Publicity generates tips, but the wrong detail released at the wrong time can hurt the case. Ask the assigned investigator what they want circulated and what they want held back.

1
Justia. Colorado Code 16-2.7-102 – Missing Person Reports – Acceptance
2
Colorado Bureau of Investigation. Missing Persons
3
Colorado Bureau of Investigation. Missing Persons Checklist
4
National Missing and Unidentified Persons System (NamUs). NamUs User Guide – Entering Missing Person Cases
5
Colorado Bureau of Investigation. Alerts
6
Department of Justice. Guidelines for Issuing AMBER Alerts
7
Justia. Colorado Code 18-8-111 – False Reporting to Authorities – False Reporting of an Emergency – Definition
8
Colorado Bureau of Investigation. Victim Assistance for Missing Persons Cases