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University of Arizona Student Reports Sexual Assault at Fraternity House

A University of Arizona student alleged she was sexually assaulted by two men at the Sigma Phi Epsilon house; the report surfaced two weeks after a university-wide suspension of fraternity activities.

Published October 21, 2026 at 6:50 AM EDT

The short answer

A University of Arizona student alleged she was sexually assaulted by two men at the Sigma Phi Epsilon house; the report surfaced two weeks after a university-wide suspension of fraternity activities.

University of Arizona Student Reports Sexual Assault at Fraternity House

The Facts

Who
A University of Arizona sorority member, members of Sigma Phi Epsilon, and university police.
What
A sexual assault investigation at a University of Arizona fraternity house.
When
August 26, 2026 (incident); October 20, 2026 (reporting)
Where
Tucson, Arizona
Why
The incident occurred amid a wider crackdown on fraternity misconduct at the university and follows similar reports at Cornell and the University of Chicago.

A sorority member at the University of Arizona has alleged she was sexually assaulted by two men at the Sigma Phi Epsilon fraternity house during a night of drinking on Aug. 26. According to search warrant records posted on Monday, Oct. 19, 2026, by KOLD-TV, the student told university police she consensually kissed one man but did not remember agreeing to sex. The allegations were reported to police and the student underwent a hospital forensic exam the day after the encounter.

The report surfaced two weeks after the University of Arizona suspended activities for its 21 fraternities following reports of misconduct including hazing, assault, and drug and alcohol issues. While most suspensions were lifted after mandatory meetings with the dean of students, five remained in place as of Oct. 20, 2026. Sigma Phi Epsilon was already on probation from July 2026 until May 2027 due to a separate hazing complaint, though it was not among the five fraternities currently listed as suspended.

Search warrant records detail that the student recalled sharing tequila with friends and witnessing two men assaulting her, reporting difficulty swallowing and the sensation of a man's breath on her face. In a recorded call two days later, one man acknowledged having sex with her but claimed it was consensual, while denying the second man was involved. Sigma Phi Epsilon CEO Brian Warren stated the fraternity has suspended those involved and will expel any member found responsible. The university police said the investigation is ongoing, and no arrests have been reported.

For individual students and fraternity members, the immediate impact involves the potential for expulsion and criminal prosecution. At Sigma Phi Epsilon, the national organization has already placed involved members on suspension, bars them from fraternity participation while the investigation continues. Students at other institutions, such as Cornell University and the University of Chicago, are seeing similar reports. At the University of Chicago, a public safety meeting was scheduled for Wednesday, Oct. 21, 2026, to address reports of sexual assault involving Alpha Delta Phi and Alpha Epsilon Pi.

The outcome of these investigations may influence how universities manage Greek organizations. A lawsuit recently filed by a woman at the University of Chicago highlights the legal risks facing fraternity chapters and national organizations. Next steps in the Arizona case depend on the police investigation and the Pima County Attorney’s Office, which has not yet received the case for prosecution. At Cornell, a state investigation remains ongoing into allegations against the Chi Phi fraternity. All accused members in the various reported cases who have commented have either denied the allegations or claimed the encounters were consensual.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. July 1, 2026

    Sigma Phi Epsilon placed on probation for hazing through May 2027

  2. August 26, 2026

    Alleged assault occurs at fraternity house during night of drinking

  3. August 27, 2026

    Student reports allegations to police and undergoes forensic exam

  4. August 28, 2026

    Recorded call takes place between the student and one of the men

  5. October 19, 2026

    KOLD-TV posts search warrant records detailing investigation facts

  6. October 20, 2026

    Police and national fraternity confirm investigation is ongoing

  7. October 21, 2026

    University of Chicago schedules public safety meeting on separate cases

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. Drafted with AI assistance and checked against the source record before publication. See how we report, or report a correction.

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Questions readers ask

What happened: University of Arizona Student Reports Sexual Assault at Fraternity House?

A sorority member at the University of Arizona has alleged she was sexually assaulted by two men at the Sigma Phi Epsilon fraternity house during a night of drinking on Aug. 26. According to search warrant records posted on Monday, Oct. 19, 2026, by KOLD-TV, the student told university police she consensually kissed one man but did not remember agreeing to sex.

Who is involved?

A University of Arizona sorority member, members of Sigma Phi Epsilon, and university police.

When did this happen?

August 26, 2026 (incident); October 20, 2026 (reporting)

Where did this happen?

Tucson, Arizona

Why does this matter?

The incident occurred amid a wider crackdown on fraternity misconduct at the university and follows similar reports at Cornell and the University of Chicago.