On August 25, 1985, Deputy Sheriff Jose "Joe" Cisneros of the Solano County Sheriff's Department was tragically killed in the line of duty. At the age of 40, Deputy Cisneros was responding to a call about a suspicious van without license plates parked on a rural county road. He was en route to back up another officer on a van littering call when he encountered the van parked on a farmer's access road off Cherry Glen Road. As he approached the vehicle, a male suspect armed with a shotgun confronted him. Despite Deputy Cisneros' attempts to de-escalate the situation, the suspect shot him, resulting in his immediate death. The suspects fled the scene but were quickly apprehended after a high-speed chase involving multiple law enforcement agencies.
The investigation revealed that the van had been taken at gunpoint earlier that day in San Pablo, California. Unfortunately, due to a shift change at the dispatch center, this critical information was not relayed to the officers in the field. The suspect who shot Deputy Cisneros was convicted of second-degree murder and sentenced to 25 years to life in prison. However, he committed suicide in 1997 while incarcerated at Folsom Prison.
Deputy Cisneros' death had a profound impact on the Solano County Sheriff's Department and the community. He was remembered as a dedicated officer who had served with the department for 14 years. His colleagues and community members honored his memory with a large funeral service attended by hundreds of police officers from various departments. Deputy Cisneros was also recognized for his investigative work on a murder case that remained unsolved for 42 years. His efforts and the evidence he gathered eventually led to the identification and arrest of the suspect, showcasing his commitment to justice even beyond his lifetime.