This company XXXX XXXX, XXXX were told on XXXX XXXX, 2015 .via certified mail, That this account that they are trying to collect on is a result of XXXX. The company who sent them the information ( Amercian Education Services/ National Collegiate Trust ) had been informed on XXXX 2015 that this account was a result of XXXX and they sold them an uncollectable account. I sent them via certified mail all of the necessary legal paperwork, identity theft affadavit, police report, etc and advised them In accordance with the Fair Debt Collection Practices Act to stop collection proceedings against me and stop communicating with me about the debt except as the Fair Credit Reporting Act allows. I also asked them to notify the the business Aes/NAtional Collegiate TRust that this account was a result of a XXXX. They have not responded to me on this and knowingly went and sold this account to another debt collector XXXX because now in XXXX XXXX, 2015 I received a letter from that collection agency trying to collect on this debt. They have unethical practices here at XXXX XXXX, XXXX