Campus Alert Archive
Mizzou

11 Shots on East Broadway: A Stephens College Student Killed in Mizzou Homecoming Crossfire

MOshootingemergency notificationmedium confidence
Confirmed Threat

Just before 2:00 AM CDT on Saturday, September 27, 2025 — Mizzou Homecoming weekend — Columbia Police responded to gunfire in the 900 block of East Broadway, where 23-year-old Misael Covarrubias allegedly fired 11 rounds during an argument and struck three bystanders. Aiyanna Williams, a 21-year-old senior nursing student at Stephens College and part-time MU Health worker, died from her injuries on Sunday. The University of Missouri pushed an MU Alert to students about the off-campus shooting and linked to Columbia PD updates.

Alerts
2
Response
min
Killed
1
Injured
2
Institution
University of Missouri
Public R1 · MO
~31,000 studentsRaveMU Alert
Confirmed Timeline

Alert Sequence

2 messages in sequence

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTSMS
Approximate reconstruction201 chars
MU Alert: Columbia Police are responding to a shooting in the 900 block of East Broadway. Avoid the downtown area. There is no active threat to the MU campus. Updates from Columbia PD: como.gov/police.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

MU's Alert protocol routes off-campus threat messages to inform the student community of nearby danger but explicitly redirect operational updates to the Columbia Police Department, which holds primary jurisdiction downtown
The 900 block of East Broadway is roughly seven blocks east of Mizzou's Francis Quadrangle and inside the bar district frequented by undergraduates during Homecoming weekend
MU Alert is the official University of Missouri emergency alert system; it pushes via SMS, email, and X/Twitter (@MUalert)
FOLLOW-UPEmail
Approximate reconstruction365 chars
Mizzou Campus Safety Update: There was a shooting overnight in downtown Columbia in the 900 block of East Broadway. Three people were transported to the hospital. The investigation is being conducted by Columbia Police Department. Counseling and support resources are available for affected students at the MU Counseling Center. The MU campus remains safe and open.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

MU President Mun Choi later issued a public ultimatum to Columbia Mayor Barbara Buffaloe demanding action on downtown crime, framing the September 27 shooting as a tipping point
The follow-up email's emphasis on counseling resources reflects standard post-trauma campus communication practice required under Title IX/Clery community-care expectations
The shooting victim Aiyanna Williams was a Stephens College student — a different institution — but the MU Alert went out because Mizzou and Stephens students share the same downtown nightlife and many MU students were present
Context

Background

On the early morning of September 27, 2025 — during the University of Missouri's Homecoming weekend — Columbia Police were called to gunfire in the 900 block of East Broadway, seven blocks east of Mizzou's Francis Quadrangle and inside the city's central bar district. According to police, Misael Covarrubias, 23, of Fellsmere, Florida, pulled out a gun during an argument and fired 11 rounds. The people he was arguing with were not hit; instead, three bystanders — a man and two women — were struck. Among them was Aiyanna Williams, a 21-year-old senior nursing student at Stephens College, a part-time worker at MU Health, and a graduate of Battle High School in Columbia. She was transported to the hospital in critical condition and her body was maintained on artificial support to allow time for organ donation. She died Sunday, September 28. The University of Missouri pushed an MU Alert for the off-campus incident in keeping with its policy of notifying students of threats in surrounding areas, even when MU PD does not hold operational jurisdiction. UM System President Mun Choi later issued a public ultimatum to Columbia Mayor Barbara Buffaloe demanding action on downtown violence, threatening to escalate to Governor Mike Kehoe — a rare instance of a flagship-university president publicly weaponizing his office over municipal crime policy.
Analysis

Key Findings

MU Alert pushed an off-campus threat notification at approximately 2:00 AM CDT on September 27, 2025, linking to Columbia PD updates rather than asserting MU operational jurisdiction
The fatal victim, Aiyanna Williams, was a Stephens College student rather than a Mizzou student — illustrating how flagship downtown bar districts pull in students from multiple nearby institutions
11 rounds were fired during an argument; the people Covarrubias was arguing with were not hit, while three uninvolved bystanders were struck
UM System President Mun Choi escalated post-shooting communication into a public ultimatum to Columbia's mayor — an unusually direct flagship intervention into municipal crime policy
Outcome
Aiyanna Williams died Sunday, September 28, 2025, after being maintained on artificial support to allow time for organ donation. Two other bystanders — a man and a woman — were also struck by gunfire. Misael Covarrubias, 23, of Fellsmere, Florida, was arrested and charged with first-degree assault, armed criminal action, and unlawful use of a weapon. The people he was arguing with were not hit.
Provenance

Sources

  1. Official
    MU Alert (University of Missouri Emergency Alert)
    mualert.missouri.edu
  2. News
    Stephens College student dies after downtown shooting (KOMU)
    komu.com
  3. News
    Stephens College student dies in downtown shooting; friends gather, UM president demands action (Columbia Missourian)
    columbiamissourian.com
  4. News
    Stephens College student pronounced dead after downtown Columbia shooting (ABC17)
    abc17news.com
  5. News
    University of Missouri president issues ultimatum to Columbia mayor after homecoming weekend shooting (ABC17)
    abc17news.com
  6. News
    Student athlete Aiyanna Williams dies in shooting (ABC10)
    abc10.com
  7. News
    After shooting near Mizzou, a student from St. Louis got an alert. 'It's kind of scary.' (St. Louis Post-Dispatch)
    stltoday.com
Tags
shootingoff-campusmissouricolumbiamizzouhomecomingmu-alertstephens-collegebystander-victimsdowntown-violence
Added May 2026Updated May 2026Via ingestion