01/05/2026
Please join me in prayer for the Caldwell County Constable's office PCT. 3, family, and friends of Deputy Aaron Armstrong.
KVUE CBS AUSTIN, Texas β Police have arrested a suspect after an off-duty deputy with the Caldwell County Precinct 3 Constable's Office was shot and killed in North Austin on Sunday morning.
The incident happened at Club Rodeo at 9515 N. Lamar Blvd., near West Rundberg Lane, just after 2 a.m. The Caldwell County Constable's Office said the deputy, later identified as Aaron Armstrong, was working a security position at the establishment. Armstrong had been with the constable's office since October 2024.
According to the Austin Police Department, when officers arrived on the scene, they found Armstrong injured in the parking lot. He was taken to a local hospital, where he was later pronounced dead.
The suspect was arrested at around 3:45 p.m. Sunday by the U.S. Marshals Lone Star Fugitive Task Force, with assistance from APD Air Support, the K9 unit and the Texas Department of Public Safety (DPS). Police did not immediately reveal the identity of the suspect