Old People Are So Gullible !!

After reading a few practical jokes I cam across one that seemed to me to be to crazy to work. The scientist in me decided that I would test it out to see if it did in fact work to my great surprise it did! I must warn you though you must be a very cold hearted to person to attempt this but lucky for us I am that person.
I was shopping in a supermarket when I noticed that an older woman around the corner and I thought to myself there is the perfect victim. So I followed her around the store filling up my basket as I went. I could tell she was scared for a while but I kept following her and staring at her in a sorrowful manner.
When she finished shopping and I saw her head to the checkout line I rushed in front of her so that she is behind me in a long checkout line. All right by now my grocery basket is full to overflowing; and hers just contains just a few items. So to pull this off I continue to keep staring at her sadly, making her feel most uncomfortable. Finally I test her reaction. Pardon my staring, I say, but you look exactly like my mom, who died just two weeks ago from cancer. And with great skill start to sniffle and I repeat to her my claim that she perfectly resembles my late, beloved mother. I mean, exactly like her, I cry. Then, as the cashier bags my groceries at the front of the line, I ask for her for a favor: As a favor to a grief-stricken son, would you mind saying Goodbye, Son to me as I leave? Somehow, it would make me feel so much better. You can tell the old broad has taken the bait gulps and agrees to my request giving me a hug in the process. I give her a tearful smile, wave and pick up my five heavy bags. Goodbye Son! she says, waving back.
The old lady probably feels sorry for me, reflecting on her good deed, feels such a warm glow of self-satisfaction that she barely notices the cashier ringing up her own few purchases. Until, that is, the cashier tells her that the bill comes to $350. I am sure there was quite the argument and she was quite stunned I am sure especially when the cashier tells her, Your son said you'd be paying for his too. I know that was wrong of me and I should feel bad about it but the fact is she really did not pay for my bill the government did, if I have to pay all the Medicare taxes for these people I think I should get something in return. Sorry my post was so long today but I thought you needed to hear the story before the cops come and see me.