Around the end of November each year, PC tends to discount gift cards so I have some experience in ordering them.
The very first thing that jumps out at me is the ship to address. If they were mailed to your home billing address, that is going to be a problem. If they were maile to a different address, then yes,this is a law enforcement issue.
In 2004 I believe it was, I ordered a number of cards. One didn't arrive, and PC was kind enough to issue a replacement.
Let us know how this resolves.