Incorrect information on your report: Credit reporting or other personal consumer reports

Im really disappointed with the response I got after requesting an investigation into the inaccurate accounts. It felt like a generic reply with no real details on how the accounts were verified. I expect a more thorough answer since I clearly explained why I needed this verification. I have some urgent questions that need to be addressed. If you cant provide a timely response to all of them, I want the accounts removed from my credit report permanently. Can you provide proof that the accounts are accurate? Did you use certified documents during the investigation? If so, what were they? Also, please share any information that was given to the original creditor during the investigation. Id like to know the cost of the documents used, the name of the person you spoke with at the original creditors office, and when and how long the conversation lasted. Lastly, please let me know who from your team spoke with the original creditor during the verification process.