Bianco's unusual probe drew a sharp rebuke from California Atty. Gen. Rob Bonta, who said in a statement Friday that it is “unprecedented in both scope and scale” and appears “not to be based on facts or evidence.”

Riverside County Sheriff Chad Bianco, who is a leading Republican candidate for governor, has seized more than 650,000 ballots from last November’s election and is investigating whether they were fraudulently counted.

“This investigation is simple: Physically count the ballots and compare that result with the total votes recorded,” Bianco said at a news conference Friday.

The unusual probe drew a sharp rebuke from California Atty. Gen. Rob Bonta, who said in a statement Friday that it is “unprecedented in both scope and scale” and appears “not to be based on facts or evidence.”