in my experience most stuff online in relation to police auctions is either a scam, selling you free publicly available info, or selling individual pies and too hgih priced.
i go to the actual chicago police dept auction a few times a year as well as the us marshals auction. its actually facilitiated by one of the storage auctioneers in my area ace auctioneers for anyone else in the area.
basically here's how it works, auction starts at 10, you can show up at 8 they have merch on the tables you can view. most stuff you just walk by, jewelry you have to wait in line, get a ticket and they pass around big plastic sleeves full of like maybe 20 pieces in a plastic case you buy the whole lot.you can inspect items.
when auction starts normally first hour or two is nothing but bicycles, if your into bikes you'll be in heaven, if not bring something to keep yourself occupied for 2 hours lol.
rest of the auction prices are kinda wierd. lost of stuff goes for retail prices which is crazy to me but some good deals. i got a good deal on a projector a few years back. it was like an $800 projector i got for like $200. totally random stuff though basicaly anything which was seized or found and known to be stolen but coudln't find origional owner is auctionsed so sum stuff is new in box other stuff is like golf clubs out of some guys garage.