Can I file a police report or something against CVS employee?

I went shopping at my local CVS yesterday during lunch time. During the checkout, I gave the cashier my CVS extra care card (their customer loyalty program card) to scan. All my supermaket and CVS cards are on my keychain, which also has my little purse attached to it.

The cashier saw my card, then saw two other CVS card and asked me how many cards I have. I told her I have one under my name, one under my hu*****and's name, and the other one is my mom's. She told me that I am only allowed to have one card and she needed to cut up the two other cards. So she grabbed my keys & purse, went to her manager and they removed two cards from my keychain and gave me back my keys & purse.

I was very angry to be treated this way. Whatever their policy is regarding how many cards I can have, does not make them to have the right to take the cards away from me like this! I did not say anything then, just paid for my purchase and left.

I later called their corporate office to file a complaint and the lady who answered the phone had been very sympathetic and promised me that she will have their district manager call me back.

However, I am still very angry that the cashier & manager humiliated me like this. I am wondering if I can file a police report against them or if there are other means to express my anger. I am not interested in bring a lawsuit or anything as I have better things in life to do, however, I want them to pay for their rudeness.

Sorry to trouble you for a trivial matter like this, but I need to stand up for myself. I think the cashier and the manager hold a grudge against me, because I shop there every week and use a lot of coupons, so I usually buy $20 worth of merchandise and only pay a dollar or two out of pocket. However, we never exchange any words other than the ones necessary to finish a transaction before this incident.

Thanks in advance for your help and thank for listening to me to vent.