Cricket Wireless Fraud and Scam attack on 84 year old Mexia Tx Texas

My mother, 84 years old bought a prepaid cell and service; she did not like it. She wanted to return it at 30 days. Went home to retrieve cord but, it was too late. The next day she was unable to return phone, passed 30 days. She bought another Phone, this time a flip phone and services for that phone.  After she charged it etc. that night the phone did not work at all. 

The 3rd day we went back to exchange it. They would not exchange it. She went ahead and bought another; set up service for it in the store to make sure it worked. It didn't work. She asked for a refund but the manager refused. She canceled prepaid service. No refund on that. She left phones that did Not work at the store in anger. They smiled and said thank you. 

The following month they charged her bank for prepaid services again to her account.