Boulder Halloween Party Ends in Fatal Shooting of Two CU Students

Key points

• Two 19-year-old CU Boulder students were shot at a residence in the 700 block of Marine Street near 7th Street on Halloween night.
• One victim died at Boulder Community Hospital; the other remains in critical condition. This is Boulder’s first homicide of 2026.
• Police shut down the registered party around 10:02 p.m. for noise violations, but a core group remained inside the home.
• Shots were fired around 11:30 p.m. after a group allegedly tried to force their way into the residence.
• Boulder Police released images of two persons of interest and are asking the public for tips via case number 26-10148.

Background

This incident adds to a pattern of Halloween-related violence across the United States. Earlier this weekend, multiple shootings occurred in Dallas’s Deep Ellum district, Birmingham, Alabama, and other locations, resulting in numerous deaths and injuries. While the Boulder case appears isolated, it highlights the broader trend of gun violence during holiday celebrations. Local authorities in Boulder have increased patrols in the University Hill neighborhood in response to the shooting.

How outlets are covering it

Boulder Police Chief Stephen Redfearn emphasized that the party was registered with the university and city, and that police responded to a noise complaint before the shooting occurred. He described the incident as 'abnormal' for Boulder and stressed the importance of finding the two persons of interest. The Daily Camera noted that hundreds of attendees dispersed after the party was shut down, but a smaller group remained. CBS News highlighted that one highly intoxicated person was taken into custody during the initial police response. All sources agree that the shooting occurred after a group attempted to force entry into the home, but details on the specific trigger for the gunfire remain under investigation. The Boulder Police Department and CU Police are coordinating efforts to secure the area and gather evidence.

Why it matters

The shooting has raised concerns about safety in Boulder’s University Hill neighborhood and the effectiveness of party registration systems. It is the city’s first homicide of 2026, prompting increased police presence and community outreach. The case underscores the risks associated with large, unregulated gatherings and the challenges of preventing violence in residential areas. Authorities are urging residents to provide video evidence to help identify the suspects and ensure accountability.

What to watch

Boulder Police are actively investigating the case and have released images of two persons of interest. They are asking the public to submit photos and videos via an online portal or call dispatch at 303-441-3333. The Boulder County Coroner’s Office will release the identity of the deceased victim. Police and CU officials plan to maintain increased patrols in the area. District Attorney Michael Dougherty stated that progress is being made and that the case is likely to be solved.