Pointless insults aren't going to change the fact that the customer was right, the clerk was wrong, and the CT person posting here is also wrong.
The customer did not return the "just bought item with his old receipt". They wrote that they "went home to get first purchased item, and returned for a refund". Pretty clear, if you just read what was written.
When asked if "this was the original item purchased a month ago.", the customer was right when they said, "what difference does it make - same item unopened with receipt". There is no difference. Anyway, the customer was returning the old item (see above).
The clerk was also wrong to say "it will be fraud to return an item even if it was the same item with a different receipt." There would be no difference at all. No lose to the store if it was the identical unopened one from a month ago, or the identical unopened one from that day.
No difference, no loss, and therefore no fraud. Anyone who works at the returns desk should know that, and not have given the customer a hard time.
So, the clerk didn't know what they were talking about, and made a big deal over nothing, annoying a once-loyal customer in the process.
It has also sparked a debate here with other CT people who also don't know what they are talking about. The person who has been claiming that this is 'fraud' and 'theft' should also know better. Check out the Criminal Code before posting such nonsense. A little research goes a long way.
(Unless you are just being deliberately difficult - but it just makes CT look like a bunch of paranoid ding-bats).
The 'take-away' for customers: realize that you are dealing with people who don't know what they are talking about. Only give straight-forward answers to their pointless questions. Just say, "yes, this is the one I bought a month ago". Trying to use sarcasm or logic will just baffle them and make them suspicious.
Or, better yet, shop someplace where they have better customer service. Just about anywhere will be better.