Mateusz Dzierbun, 48, of Fremont, had just stabbed his 9-year-old son to death last summer when he attacked the responding officer.

Since the program’s inception, the DA’s office has successfully distributed more than $280,000 in grants to almost 60 local organizations. Application deadline is Aug. 14.

Because of his age, the accused juvenile attacker was ineligible to be tried in Superior Court where he could have faced 15-years-to-life in prison. Because it was a juvenile court case, his name was not released.

Prosecutors said Francisco Castillo, a county jail guard, approved the beating in the jail beforehand, provided rubber gloves to one attacker, opened the victim’s cell, watched as the beating took place, and then covered it up.

On April 22, the county revealed that 10 county social workers had been placed on paid administrative leave on April 8. On April 21, local NAACP officials filed a formal civil rights complaint against the county, one day after District Attorney Jeff Rosen said he had charged a San Jose teenager with murdering his two-year-old cousin, identified as Baby Jaxon.

In September 2025, Nizamuddin Mohammed was shot by police after he suddenly started stabbing his unarmed roommate.

The Stanford-trained Ph.D. chemist helped modernize the Oakland Police Department’s forensics laboratory.

District Attorney investigators found that Walgreens sold expired over-the-counter drugs, such as aspirin, sunscreen and hand sanitizer.

The Santa Clara County District Attorney’s Office found that CarMax had a pattern over the last five years of late transfers of ownership on used cars bought by customers.

Shannon O’Connor was found guilty of hosting alcohol-fueled parties for teenagers—mostly 14 and 15-year-olds—during the 2020-2021 COVID-19 pandemic, where she supplied vodka and whiskey and encouraged sexual acts.

Felony charges against Christina Johnson related to a Gilroy Police investigation dating back to 2024 were dismissed due to insufficient evidence.

DNA evidence from East San Jose house where 84-year-old Alice Sharitz was murdered in 1997 led to the December arrest of 74-year-old Joe Contreras in Oregon.

The “Operation Family Ties” investigation began in June 2025 when a Morgan Hill police officer became suspicious of one of the defendants applying to open a massage parlor under another individual’s name.

The mayor’s newsletter comments came nine days after the shooting, allegedly by a 17-year-old, at Westfield Valley Fair shopping mall that wounded three people.

After a jury convicted Paul Zumot in 2011, the hookah shop owner was sentenced to 33 years to life in prison. However, a federal district court judge in 2020 granted him a new trial.

The former manager of Bear Creek Stables in Los Gatos, a popular South Bay horse riding ranch, was accused of failing to care for a horse that died from malnutrition and heat stroke last year.