Decades ago I got into a group of folks (~ 10) that were from a California hunting club (thinking it was LA area, but can't recall). This was in Jordan, Montana (home of the infamous Freeman and population about 50)
Got several complaints from landowners on these guys trespassing, most of these right off of Highway 200- see something, pullover and shoot.
I waited for them at the motel they were staying and they got in just at dark. Had 2-3 animals in their vehicles (iirc a deer and a couple of antelope), nothing tagged.
I grabbed one guy and started interviewing him, he gave me the skinny on exactly what had been killed, who killed it and where the critters were. Interviewed a couple of more and they eventually corroborated what the first guy told me. I called up my sergeant to give me a hand (he was about 45 minutes out).
Ultimately several cases of transferring licenses (some guys weren't that into hunting and gave their licenses up), couple of over limits, multiple untagged animals, hunting w/o permission, etc. We ended seizing a dozen + critters (there may have been one or two legal ones out of the whole bunch) and wrote a dozen + citations.
When we were all done we told them we had to get bond money from them or they would go to jail (this was the case for all nonresidents at the time, before the Wildlife Compact). The groups leader asked if he could just write one check to cover everything? Sergeant said he could, but reminded him if the check bounced it was a felony (it was a BIG check). The guy wrote a check for a couple of thousand dollars- such and such, California Hunting Club

The judge got a kick out of it too.