The check was deposited into the seller's account but the scammer advised that they no longer wanted the item. The seller they sent a money gram back to the scammer for the original amount. The original cashier's check sent by the scammer was then found to be no good meaning the seller was now out of the money. Be mindful of this when conducting business online.
As a reminder, we have an internet purchase safe zone in front of our police department that is covered by cameras if you need a place to conduct your transaction(s).