Probably he could use a stolen identity to buy postage online. > Double mistake: he habitually used the same postbox to mail his packages. I suppose the probl

Probably he could use a stolen identity to buy postage online. > Double mistake: he habitually used the same postbox to mail his packages. I suppose the problem here is scale and habit. To avoid using the same postbox you'd need to drive far, and send a lot at once. If you do small transactions like 120 USD it'll take a long time to make real money. Maybe you could use a mail relay service in another country, but still.. That said, look at the resources this operation took, how likely was it that he would be caught? Most small fish like him probably won't be.