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Three arrested in alleged hazing death of NAU student

The Northern Arizona University campus in Flagstaff, Arizona.
Courtesy
/
NAU
The Northern Arizona University campus in Flagstaff, Arizona.

Three members of the Delta Tau Delta fraternity have been arrested on hazing-related charges following the death of a Northern Arizona University student.

Flagstaff police say officers responded to reports of an unresponsive person at a home near Pine Knoll Drive and Lone Tree Road just before 9 a.m. Saturday. Bystanders began CPR before officers arrived, but officials say the 18-year-old man was not breathing when first responders reached the scene.

Witnesses told police the student had attended a Delta Tau Delta fraternity rush event the previous night. According to police, multiple people were drinking at the event, including the victim and other prospective members.

Authorities arrested three 20-year-old NAU students who were members of the fraternity’s executive board: Vice President Ryan Creech, New Member Educator Carter Eslick and Treasurer Riley Cass.

All three were booked into the Coconino County Detention Facility on one count of hazing.

Riley Cass, Ryan Creech and Carter Eslick (from left) were arrested for the alleged hazing death of Colin Martinez in January 2026.
Coconino County Jail
Riley Cass, Ryan Creech and Carter Eslick (from left) were arrested for the alleged hazing death of Colin Martinez in January 2026.

Under Arizona law, hazing is classified as a Class 1 misdemeanor or a Class 4 felony if it results in a person’s death.

In a statement, NAU said it is mourning the death of the student and is cooperating with the investigation. The university said it has temporarily suspended Delta Tau Delta while officials review the matter under student conduct policies — a process separate from the criminal justice system.

“We want to be clear: The safety and well-being of our students remain our highest priorities,” an NAU spokesperson added in the statement. ”Violence, hazing or any other behavior that endangers others has no place at NAU.”

Counseling and support services are available to students, faculty and staff.

A Flagstaff police spokesperson said detectives are continuing to follow up on additional leads and review evidence. The Coconino County Medical Examiner’s Office will determine the official cause and manner of death.

Authorities have not publicly identified the victim and declined to release additional details, citing respect for the family and the ongoing investigation.

Anyone with information should contact the Flagstaff Police Department at 928-774-1414 or Silent Witness at 928-774-6111.

This is a developing story and will be updated as more information becomes available.

Bree Burkitt is the host of Morning Edition and a reporter for KNAU. Contact her at bree.burkitt@nau.edu.