APD Identifies Suspect in June Southeast Austin Fatal Crash as Murder Warrant Remains Active
Detectives say electronic data tied Casandra Barron-Manzanarez to a vehicle that fled a DPS stop before the collision.
Overview
- A murder arrest warrant for 22-year-old Casandra Barron-Manzanarez was issued on August 15, 2025, and she has not been taken into custody.
- The June 4 crash at E Ben White Boulevard service road westbound and E Riverside Drive led to the death of 66-year-old driver Lisa Gail Cooper.
- Police say the fleeing vehicle ran a red light, struck another car, and that car was then hit by a truck traveling behind it.
- APD’s Vehicular Homicide Unit took over after initial uncertainty about the link to a DPS traffic stop, and the case is classified as Austin’s 42nd homicide of 2025.
- Investigators are asking for tips to APD’s Vehicular Homicide Unit at 512-974-8111 or anonymously via Capital Area Crime Stoppers at 512-472-8477 or austincrimestoppers.org.