June 26, 2025
UPDATE: APD Announces the Arrest of a Suspect in Connection to a Traffic Fatality
Case: 25-1261563
Date: May 6, 2025
Time: 11:38 p.m.
Location: 2900 block of North Mopac Expressway NB
Deceased: Shawn Oveisi, White male, 01/03/1978
Suspect: Agustin Guillen, Hispanic male, 38 years of age
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APD Vehicular Homicide Unit detectives announce the arrest of a suspect, Agustin Guillen, in connection to a fatal crash that occurred on May 6, 2025.
Guillen was arrested on June 11, 2025. He is charged with Collision Involving Death, Felony 2.
Anyone with any information should contact APD's Vehicular Homicide unit at 512-974-8111. You may submit your tip anonymously through the Capital Area Crime Stoppers Program by visiting austincrimestoppers.org or calling 512-472-8477.
ORIGINAL RELEASE: May 21
Case: 25-1261563
Date: May 6, 2025
Time: 11:38 p.m.
Location: 2900 block of North Mopac Expressway NB
Deceased: Shawn Oveisi, White male, 01/03/1978
On Tuesday, May 6, 2025, at approximately 11:38 p.m., Austin Police Department (APD) officers responded to the 2900 block of North Mopac Expressway NB for a collision between a motor vehicle and a motorcycle. When officers arrived on the scene, the driver of the vehicle had left the scene. The motorcycle rider, later identified as Shawn Oveisi, was seriously injured and transported to a local hospital. Unfortunately, he succumbed to his injuries on Monday, May 19, 2025.
This incident is being investigated as Austin’s 34th fatal crash of 2025, resulting in 38 fatalities. This investigation is ongoing. On the date of this crash in 2024, 24 fatal crashes resulted in 24 deaths.
These statements are from the initial assessment of the fatal crash, and the investigation is still pending. Fatality information may change.
Anyone with any information should contact APD's Vehicular Homicide unit at 512-974-8111. You may submit your tip anonymously through the Capital Area Crime Stoppers Program by visiting austincrimestoppers.org or calling 512-472-8477.