I'm sure different jurisdictions are different, but many places don't allow random people to show up with a suspicious pile of metal. They have to file photo id

I'm sure different jurisdictions are different, but many places don't allow random people to show up with a suspicious pile of metal. They have to file photo ids and sign a document. Sometimes there is a waiting period for payment. A 24-hour waiting period is amazingly effective at dissuading bad actors.