In addition to identifying "multiple locations that were operating as chop shops for stolen property" in Stockton and Placer County, authorities identified a criminal theft ring that stole catalytic converters throughout California and Oregon, then dropped off the stolen converters at the chop shops.

Silacci said the suspects are well-known to authorities, and that one had a warrant and another had been recently bailed out of jail by other suspects connected to the theft ring.

Cont'd:
https://pleasantonweekly.com/news/2021/11/10/catalytic-converter-theft-ring-busted-by-tri-valley-police