A Strange Thing

happened the other day when I was at Wal Mart. I had gone in to pick up a few things, the store was not overly busy, but I have a talent for finding the slowest check out. The line can be moving right along, I get into it and it slows down or stops completely.
So I was standing in my slow line, finally it was my turn to put my stuff up to be checked out. No hello, good afternoon, nothing......just a quick look at me and then my items, and the cashier began to scan my items. As I was waiting for the process to be over, I was putting the bags into the cart. The cashier gave me my total, I paid, then put a couple more bags in the cart. But I knew I had purchased more than what I had in the cart bagged up. So I went looking for the other bags. They were at the cashiers' feet, I looked at her strangely and asked for the rest of my bags. She said that those were left by another customer and I had all my purchases.
I know that I didn't have everything, and asked her again for the bags. She told me that if I didn't leave she would call a manager. I looked her square in the eye and said, go ahead and call a mamager, and the store manager had better be one of them. A mamager shortly showed up and asked what the problem was, the cashier repilede that I wouldn't leave. The manager asked me if there was a problem. I told her that I would be happy to leave if I could get the rest of the things I had paid for, and pointed to the bags at the cashiers feet. Then I requested the store manager again.
When he finally showed up, I handed him my recipt, and told him I didn't have all my purchases, once again pointing to the area around the cashiers feet. They began checking what I had in the cart against the recipt, and guess what? A lot of things were missing. So they moved on to the bags the cashier had put down by her feet. And there was the rest of my groceries.
I got profuse apologies from the management and the cashier was escorted to the back.

Are people getting so desperate that they are trying to steal in this fashion? It really makes me wonder.........