Product: Debt collection

I currently have a judgement against me in the amount of {$9000.00} from a company called : Autovest Financial Services ( owner of illegally purchased debt ), and has hired a local debt collection firm by the name of : XXXX XXXX and XXXX XXXX XXXX XXXX XXXX XXXX fl XXXX. 

In XXXX due to financial reasons I turned in ( voluntarily surrender/ XXXX ) of a XXXX white XXXX XXXX. That car was turned into original creditor : XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX, SC XXXX Upon reviewing court judgement dockets. Its states they notified consumer of court date. Upon review of address in system of collection agency, my correct address does not appear. Thus nullifying attempts to serve notice to appear in court. 

Address on file with debt collector and its associated parties is as follows : XXXX XXXX XXXX XXXX XXXX, fl, XXXX Thats is not my address, thus I never received notice and they received a void default judgement. 

I would like this matter corrected and my case reopened or have original creditor immediately cancel all garnishment and provide verification of debt with following letter provided. 
This letter has also been provided to all parties involved ( XXXX XXXX clerk of courts, Courtroom of judge XXXX XXXX XXXX XXXX county court judge ), Autovest financial llc, XXXX XXXX and XXXX, XXXX XXXX XXXX ) This is my final attempt before legal action is taken for the following reasons : Violation of the Fair Debt Collection Practices Act Defamation of Character If your offices can provide the proper documentation as requested in the following declaration, I will require 30 days to investigate this information and during such time all collection activity must cease and desist. 
Also, during this validation period, if any action is taken which could be considered detrimental to any of my credit reports, I will consult with legal counsel for suit. This includes any listing of any information to a credit-reporting repository that could be inaccurate or invalidated. 
If your offices fail to respond to this validation request within 30 days from the date of your receipt, all references to this account must be deleted and completely removed from my credit file and judgements will be handle in civil court and a copy of such deletion request shall be sent to me immediately. 
It would be advisable that you and your client assure that your records are in order before I am forced to take legal action. 

CREDITOR/DEBT COLLECTOR DECLARATION Please provide the following : Agreement with your client that grants you the authority to collect on this alleged debt. 
Agreement that bears the signature of the alleged debtor wherein he/she agreed to pay the creditor. 
Any insurance claims been made by any creditor regarding this account. 
Any Judgments obtained by any creditor regarding this account. 
Name and address of alleged creditor. 
Name on file of alleged debtor. 
Alleged account number. 
Address on file for alleged debtor. 
Amount of alleged debt. 
Date this alleged debt became payable. 
Date of original charge off or delinquency. 
Verification that this debt was assigned or sold to collector. 
Complete accounting of alleged debt. 
Commission for debt collector if collection efforts are successful. 

Please provide the name and address of the bonding agent for : Autovest Financial Services LLC, XXXX FL XXXX in case legal action becomes necessary.