instantcheckmate I used them for one month and didn't renew and several months later they took money out of my bank account. Internet

Instant Checkmate is a background checking service that is supposed to give information on people so in May, 2015 I paid $14.95 for a 1 month subscription, they had three month and one year subscriptions, but I wanted to see how much info they could get before extending my service with them so I checked myself out on it and it does give a lot of information, only I learned that my life is very boring. The add that I seen said you could check out people before you date them or check out people that might be around your children, it seemed like a good idea, but the only time I used it was on myself so I never renewed my subscription. Several months later though I was looking at my checking account and I had noticed on Dec. 24, 2015 they had charged me $22.86 even though I had not given them permission to. I did call them and they said that I did have a past subscription with them, but they would cancel it and refund my money within 2-3 days. I looked back through my checking account and haven't seen any other charges from them after May of 2015, yet I don't understand why after several months they drew money from my account without contacting me over the phone or via email. This is day 1 of the 2-3 day wait for my money so I'm hopeful that they will return it and not draw any more out, but I guess I will have to talk to my bank and request a different card number and change every auto pay bill that I have.