From the Yahoo news link top script above ^
"The San Mateo County Sheriff's Office said a suspect, 67-year-old Zhao Chunli, turned himself in to authorities at the scene without incident around 4 p.m. Police released what they identified as Zhao’s driver’s license photo shortly after" : Yahoo News credit
New link
https://people.com/crime/7-killed-in-shooting-at-half-moon-bay-targeting-chinese-farm-workers-californias-2nd-mass-shooting-this-week/
Now its targeting Chinese people so is Zaho Vietnamese or Chinese himself are they related shootings WE shall soon find out