Boulder Police Seek Public Help After Fatal Shooting at Registered CU House Party

Key points

• One 19-year-old CU student died and another was left in critical condition after a shooting at a home in the 700 block of Marine Street on Saturday, Oct. 31.
• Boulder Police Chief Stephen Redfearn confirmed the shooting is the city’s first homicide of 2026 and described it as an abnormal event for Boulder.
• Police shut down a registered house party with a live band around 10:02 p.m. after a noise complaint; hundreds of attendees dispersed, but a core group remained inside.
• Shots were fired around 11:30 p.m. after a group attempted to force their way into the home, according to police.
• Investigators are seeking the public’s help to identify two men seen in video footage immediately prior to the shooting; they are described as wearing a red hoodie and a black Art the Clown shirt, respectively.
• Approximately 20 witnesses were interviewed overnight, and police are requesting photos and videos from party attendees.

Background

This incident marks the first homicide in Boulder in 2026, a city that has not typically experienced gun violence of this nature. The shooting occurred on University Hill, a neighborhood adjacent to the University of Colorado Boulder campus, where many students reside. The party had been registered through a program run jointly by CU Boulder and the Boulder Police Department, which allows students to notify police about planned gatherings. This registration process is intended to help police manage noise complaints and ensure safety, but it does not imply university endorsement of the event. The incident has prompted increased police patrols in the area and activated support services for affected students.

How outlets are covering it

Boulder Police and the Boulder County District Attorney emphasized the need for public cooperation to identify the two persons of interest, noting that progress has been made in the investigation. CU Boulder officials expressed concern for the campus community and clarified that the party had no formal university affiliation, despite being registered through a joint program. Neighbors and residents described the scene as chaotic, with some reporting hearing multiple shots after the party was broken up. The Boulder Reporting Lab highlighted the trauma experienced by those inside the home, including students who attempted to help the victims. CBS News focused on the sequence of events, from the noise complaint to the shooting, and noted that police believe the suspects had left the city by 2 a.m. Sunday.

Why it matters

The shooting has raised concerns about safety in Boulder, a city that has not typically experienced gun violence. The incident has prompted increased police patrols and support services for affected students. It also highlights the challenges of managing large gatherings in residential areas and the importance of community cooperation in solving crimes. The case underscores the need for effective communication between police, universities, and residents to prevent and respond to such incidents.

What to watch

Boulder Police are continuing to investigate the shooting and are seeking the public’s help to identify the two persons of interest. They are reviewing video footage and interviewing witnesses to determine who fired the shots. CU Boulder is providing support services for affected students and has increased patrols in the area. The Boulder County Coroner’s Office will release the identity of the victim who died after notifying his family. Police expect to provide updates as more information becomes available.