How were you scammed when the monthly charge of $19 was shown in the t&c that you agreed to when signing up to get the $15 voucher?
You will need to log into your account and cancel your subscription
It has been posted several times on the forum how to do this, search for it and follow the instructions given
Do not tick you have read and agree to things when you have not read them and then pretend you were scammed
IF you had really been scammed, you would not be waiting 3 months to say anything, and you would have contacted your bank long ago to dispute the charge and cancel your card
