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Denver Police Department

Police Help Lines

Dial 9-1-1 for Emergencies ONLY

Non-Emergency Help
Crime Stoppers Anonymous Tips
720-913-7867 (STOP)
Gang Hotline
Report Graffiti
311 or
(720) 913-1311
Sex Offender Hotline
Hate Crimes Hotline

Police District 4



2100 South Clay Street
Denver, Colorado  80219



Phone: 720-913-0200 
Fax:  720-913-0207


District Commander Mark Fleecs

Commander Mark FleecsCommander Mark Fleecs was appointed as District Four Commander in August, 2015.  For the three years prior to that, he was the Commander of the Investigative Support Division, which was home to many units including those responsible for investigating gang, human trafficking and vice related crime, as well as marijuana crime enforcement.  Since joining the Denver Police Department in 1991, Commander Fleecs has served in a variety of assignments in both patrol and investigations.  He is committed to crime prevention through problem solving and building police-community relationships.

Neighborhood Resources

Community Resource Officers provide community assistance on issues such as neighbor disputes, public nuisances, zoning issues, fraud and crime prevention and other neighborhood concerns.  Community Resource Officers attend regular meetings with neighborhood organizations to provide training on issues pertaining, but not limited to: the Neighborhood Watch program, commercial and home security, gang awareness, crime prevention, and more.

Contact Information
Officer Alexis Aranda
Desk: 720-913-0277
Officer Rueban Garduno
Desk: 720-913-0276


District Four CROs are supervised by:
Sergeant Chad Kendall
Desk: 720-913-0213

Visit the Neighborhood Crime Prevention page for crime prevention tips, information regarding neighborhood nuisances and instructions on how to initiate a Neighborhood Watch Program.