Police Arrest Pair for San Jose Restaurant Assault
Authorities arrested two suspects in Union City following an August assault at a South King Road eatery.
Updated on Oct. 16, 2026 in Property Crime
Police arrested Alejandro Valencia and Krystelle Tieu Acosta in connection with an assault on a couple at a San Jose restaurant. The suspects were taken into custody in Union City after detectives utilized license plate readers to track their vehicle.
Why it matters
The arrests follow an investigation into an incident where a couple was assaulted and a firearm was brandished at a local restaurant. Investigators subsequently recovered two guns while executing a search warrant at the suspects' residence.
Alejandro Valencia, 30, and Krystelle Tieu Acosta, 23, face charges including assault with a deadly weapon, felony battery, and making criminal threats. Police located two guns during the execution of a search warrant at the suspects' residence.
The players
Alejandro Valencia
He is a 30-year-old suspect charged with assault with a deadly weapon and felony battery.
Krystelle Tieu Acosta
She is a 23-year-old suspect accused of physically assaulting a victim during the restaurant altercation.
The details
The altercation occurred at a restaurant in the 1100 block of South King Road, where the female suspect allegedly assaulted a mother and the male suspect assaulted a father while brandishing a gun. The suspects managed to flee the scene before officers arrived, but were later apprehended by investigators.
Timeline
August 3, 2026, at approximately 9 p.m., the assault took place at a restaurant on South King Road.
October 7, 2026, police arrested Alejandro Valencia and Krystelle Tieu Acosta in Union City.
October 15, 2026, authorities officially announced the arrests of the two suspects.
Legal Context
This case follows a pattern set by the San Jose Police Department's use of ALPR technology to identify suspects in violent crime investigations. The integration of digital surveillance tools has increasingly become a standard procedure for tracking suspects who flee initial crime scenes.
Residents of the South King Road area may see continued police activity as detectives process the evidence recovered from the suspects' residence. No immediate safety advisories remain in effect for the public following the arrest of the two suspects.
The takeaway
This case highlights how modern vehicle tracking technology aids law enforcement in solving violent incidents that occur in public spaces. Victims of similar crimes are encouraged to report incidents promptly to allow police to utilize surveillance data effectively.
Further reading
For more information on regional safety and ongoing investigations, visit the San Jose Property Crime section.
Source note: This article includes information reported by NBC Bay Area.
