McCarthy, Burgess & Wolff, Inc. Debt Collection Complaint

McCarthy, Burgess & Wolff, Inc. Debt collection department,

Other (phone, health club, etc.) Cont'd attempts collect debt not owed Debt is not mine California

My friend of 21 years passed -/-/15. I sent all creditors a copy of her death certificate and a letter explaining there was no estate nor spouse. I have continued to receive letters from - -. They have now referred the account to collections and have taken my address off the death certificate to send bills to my friend. I am sure if you have to bury one of your friends you do not want a creditor to take your address off the death certificate and continually send collection notices. I even have written on the envelop of the - bill DECEASED. but they are relentless. please help me!