California Supreme Court Pauses Riverside County Election Investigation

The Supreme Court of California has stepped into a growing legal dispute over an election investigation in Riverside County, issuing an order that temporarily halts the probe.

The court confirmed it will review the case and directed Riverside County Sheriff Chad Bianco to stop his investigation into alleged voter fraud tied to the 2025 special election while the legal challenge moves forward.

Under the court’s order, California Attorney General Rob Bonta has until April 15 to refile his petition seeking to end the investigation. Sheriff Bianco will then have 30 days to respond and defend the actions taken by his department.

The ruling also leaves key logistical questions unresolved. Both sides must now determine how to preserve thousands of seized ballots and election-related documents collected during the investigation. The court indicated that additional safeguards may be necessary to ensure the integrity of that evidence.

The justices addressed ongoing disputes over transparency as well. Some documents will remain sealed due to sensitive information contained in search warrants, while others must be redacted or made public within 48 hours.

The case also intersects with a push from a media coalition—including NBCUniversal—to unseal records. The Supreme Court acknowledged a prior order from a Riverside County Superior Court judge that would unseal search warrants used by the sheriff to obtain thousands of ballots.

In a statement responding to the ruling, Bonta said, “Today’s decision by the California Supreme Court reins in the destabilizing actions of a rogue sheriff, prohibiting him from continuing this investigation while our litigation continues. The Supreme Court has also agreed to review this case on the merits — a necessary and appropriate response to what is clearly an unprecedented situation.”

Sheriff Bianco took to social media to share his response, which reads, "Our embarrassment of an attorney general failed in his disingenuous arguments and now the court will hear our case. We will continue to argue for the investigation to continue despite political activist Rob Bonta's use of lawfare to stop it and cover up this lawful investigation. We simply need to know the total number of ballots. Bonta is wasting tax payer dollars for politics."

We also received a response from Bianco's attorney Robert Tyler, which in part states, "Sheriff Bianco, pursuing a lawful investigation based on probable cause as determined by a judge of the Superior Court, should not be prevented from fulfilling his duty. Transparency and accountability in elections are vital to maintaining public trust and ensuring that every action reflects fairness and the rule of law."

Separately, a Riverside County Superior Court judge recently approved an expedited timeline in the Attorney General’s related case at the local level. According to court records, the next hearing is scheduled for April 13 at the Riverside Hall of Justice, though that date could change following the Supreme Court’s decision to take up the case.

For now, the investigation remains on hold as both the state’s highest court and the lower court continue to examine the legal issues at the center of the dispute.