Bills from debt collector, Transworld Systems, for debt on a XXXX bill from XXXX XXXX XXXX in XXXX. Illinois. Bills have continued over 1and 1/2 years despite acknowledgement of erroneous billing XX/XX/2013.. Additional charges added 1 and 1/2 years after resolution of issue in XXXX 2013. 
Bill is for a deceased relative ( deceased in XXXX 2013 ) that the XXXX says we are not liable for. We are not the guarantor or estate executor for the deceased relative.