CU Boulder Student Death: Luca Hanlon Killed in Fatal Halloween Shooting in Boulder, Colorado

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The University of Colorado Boulder community is mourning the death of Luca Hanlon, a 19-year-old second-year student who was fatally shot during an off-campus incident in Boulder, Colorado, on Saturday, October 31, 2026.

The shooting occurred at a residence in the 700 block of Marine Street, near the University Hill neighbourhood. Two 19-year-old men suffered gunshot wounds, and both were transported to a hospital. Hanlon later died from his injuries, while the second victim was reported to be hospitalized.

The incident prompted a homicide investigation by the Boulder Police Department and renewed concern across the university community.

Although the incident has been associated with searches for a CU Boulder suicide, the reported death was a homicide involving a shooting, not a confirmed suicide.

What Happened in the CU Boulder Shooting?

According to the Boulder Police Department, officers responded at approximately 11:28 p.m. on October 31 after receiving reports of gunfire at a home in the 700 block of Marine Street.

Officers arrived within minutes and found two 19-year-old men suffering from gunshot wounds. Emergency responders transported both victims to a hospital.

One of the injured students, later identified as Luca Hanlon, died from his injuries early Sunday, November 1.

Police said the shooting followed an earlier disturbance involving a party at the same residence. Officers had initially visited the property after receiving a noise complaint and issued citations relating to a nuisance party.

After most attendees left, a smaller group remained at the house. Investigators believe a confrontation later occurred involving people who attempted to enter the residence, followed by gunfire.

The precise circumstances remain part of the criminal investigation.

Who Was Luca Hanlon?

Luca Hanlon was a 19-year-old second-year student at the University of Colorado Boulder.

The university confirmed that he was studying media production in the College of Communication, Media, Design and Information.

His death was officially confirmed after the Boulder County Coroner’s Office identified him as the student who died following the October 31 shooting.

The university expressed sorrow over his passing and acknowledged the impact of the tragedy on his family, friends, classmates, faculty members, and other members of the campus community.

Omar Perez Arrested in Connection With the Shooting

Boulder police announced the arrest of 18-year-old Omar Perez of Thornton, Colorado, on November 2, 2026.

Perez was not affiliated with the University of Colorado Boulder.

Police announced charges including first-degree murder, first-degree assault, and attempted first-degree murder. Investigators identified him as the suspected shooter while continuing to examine whether other individuals may have been involved in the events surrounding the incident.

Authorities stated that the investigation remained active following the arrest.

The charges are allegations, and Perez is presumed innocent unless and until proven guilty in court.

Second CU Boulder Student Injured

The shooting also left another 19-year-old man with gunshot wounds.

He was transported to a hospital alongside Hanlon. Initial reports described his condition as critical, although his identity and subsequent medical updates were not publicly established in the information reviewed for this article.

Police and university officials have requested privacy for the victims and their families.

University Responds to Luca Hanlon’s Death

Following confirmation of Hanlon’s identity, CU Boulder expressed condolences to his family and friends.

The university’s Dean of Students Office and Office of Victim Assistance worked with campus and local police departments to communicate with and support students, faculty, and staff affected by the shooting.

Students and employees who needed assistance were encouraged to contact the university’s Office of Victim Assistance.

A memorial also developed near the location of the shooting, where members of the community gathered to remember Hanlon and leave tributes.

What Is Known About the CU Boulder Incident?

Remembering Luca Hanlon

Luca Hanlon’s death has left a university community grieving the loss of a young student whose life ended at just 19.

His family, friends, classmates, and fellow students are facing the consequences of a violent incident that occurred away from the university campus but deeply affected its wider community.

As the criminal investigation continues, university officials have encouraged those affected to seek support and respect the privacy of Hanlon’s loved ones.

Our sincere condolences go to his family, friends, classmates, and everyone mourning his passing.

Disclaimer: This article is based on information released by the Boulder Police Department, Boulder County Coroner’s Office, and the University of Colorado Boulder. The incident was reported as a fatal shooting and homicide investigation, not a confirmed suicide. Criminal charges are allegations, and the accused is presumed innocent unless proven guilty. Details may change as the investigation and court proceedings continue.

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