Now its been on TV, you have evidence he has the material.
So charge the credit card again. Then tell them that if they charge it back, then its outright fraud… Making a false statement ,or obtaining benefits by deception, and so on.
Try to negotiate with them that they must pay, and that you will make a problem with their bank unless they pay…
You have a valid claim for all the services you provided, not just copyright infringement. You do have to be able to prove that you did the work and they approved it. Since they used a credit card you can complain to the credit card company, but it wasn’t your credit card so they may not help much.