Remember those cheap Ebay AT&T unlock codes?

I guess there really is some advantage (and profit) to buying in bulk......

At $2-$3 (retail) per unlock code, after a couple of middle-man markups & bribes, it seems there was still a profit available.

Link provided by
AT&T workers took $1 million in bribes to unlock 2 million phones, DOJ says | Ars Technica

Should be illegal to have phones locked in the first place