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Gang Rival Arrested in Shooting Death of Sunnyside High Student



Investigators cordon off the homicide scene at Princeton and Valentine avenues on Saturday, April 15, 2023. (Fresno County SO/File)
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Homicide detectives have arrested a suspect in the April 15 slaying of a Sunnyside High School student near the Fresno Cambodian Buddhist Temple.

Tyvanh Sysaknoi booking photo

Tyvanh Sysaknoi is charged with voluntary manslaughter. (Fresno County SO)

The Fresno County Sheriff’s Office announced the arrest of Tyvanh Sysaknoi, 20, of Fresno, on Wednesday morning in an apparent gang-related shooting.

Sysaknoi was charged with voluntary manslaughter and booked into Fresno County Jail. His bail was set at $95,000.

Responding to a report of shots fired at Valentine and Princeton avenues, deputies found Nolyn Chann, 16, of Clovis, wounded and on the ground. Chann later died at Community Regional Medical Center.

“The people involved in the shooting were in this area of town to attend the event at the temple,” said sheriff’s spokesman Tony Botti in a news release.

Fatal gunshot victim Nolyn Chann, 16, of Clovis. (

During their investigation, detectives learned that Chann and others had attacked rival gang member Sysaknoi. He retaliated by shooting at them, striking Chann, authorities said.

Chann’s killing occurred during a festival at the temple a short distance from the homicide scene.

Detectives Still Need Your Tips

Anyone with additional information is asked to contact detective Aurelio Flores at (559) 600-8208.

You may also contact Valley Crime Stoppers at (559) 498-7867. You will remain anonymous and may be eligible for a cash reward. The case number is 23-4348.

Bill McEwen is news director and columnist for GV Wire. He joined GV Wire in August 2017 after 37 years at The Fresno Bee. With The Bee, he served as Opinion Editor, City Hall reporter, Metro columnist, sports columnist and sports editor through the years. His work has been frequently honored by the California Newspapers Publishers Association, including authoring first-place editorials in 2015 and 2016. Bill and his wife, Karen, are proud parents of two adult sons, and they have two grandsons. You can contact Bill at 559-492-4031 or at Send an Email

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