I went to Moutse mall store and noticed the item i was buying is expiring soon and asked for it

I went to Moutse mall store and noticed the item i was buying is expiring soon and asked for it to be changed and was told about the admin of returning and scanning again but I eventually got the assistance I needed, only to be stopped by the security telling me that only one item is visible on the receipt and started grabbing the item that's not on the receipt like I was some kind of *****...Issue was resolved, Busi was the one signing of the return, the rest were not wearing name batches and she can identify the cashier that complained about the admin