Dear (Creditor Name or Collection Agency)
On (date), I received your letter demanding payment of ($$ amount). I did not open this account and incur this unpaid balance. Someone other than myself, wrongfully used my personal information to obtain a line of credit and or services. Your company extended a line of credit or services to someone other than myself. Your company is a victim and should file a police report in the appropriate jurisdiction.
You are hereby notified that on (date) I filed an identity theft report with the Lodi Police Department, case number _______, a copy of which can be obtained by contacting the Lodi Police Department Records Division at 209-333-6731.
Remember to keep accurate records and outgoing mail should be sent out certified, returned receipt.