CONCORD (BCN) — A jury found a Concord man guilty of four felony charges related to posting antisemitic murder threats online and illegally possessing an assault weapon, the Contra Costa District Attorney Diana Becton announced Wednesday.

“Ross Farca’s criminality disrupted the lives of countless members of the Jewish faith within our community, ” said District Attorney Diana Becton. “Hate crimes and threats of this magnitude will not be tolerated.”

READ MORE: UPDATE: Suspect In Attempted Armed Carjacking Killed In Shootout With San Jose Police

Ross Farca (Concord Police Dept.)

The 25-year-old Farca initially posted hate speech on an online gaming platform on June 14, under the screen name “Adolf Hitler.” Online, he said he wanted to mimic the works of previous mass synagogue shooters and kill any responding law enforcement, according to the district attorney’s office.

READ MORE: Marin Brewing Company Shutting Down After 3 Decades Due To Pandemic Struggles

The posting prompted the Concord Police to search his residence, and upon investigation, police officer found an assault rifle, ammunition and Nazi-related objects.

Farca also was charged for making threats to the leading investigator during another home search, according to police.

MORE NEWS: Queen Of The Valley Hospital Workers Stage Picket Over Pandemic Staffing, Pay Issues

Farca stayed in custody during the case after the prosecution considered him an ongoing threat to the community. He will be sentenced on Dec. 29.