Great advice posted by an attorney on:
http://800notes.com/Phone.aspx/1-718-732-0174
"IF they do not provide you with the verification of the debt, the debt is invalid and not subject to collection. PAY NOTHING TO ANYBODY UNLESS THEY PROVIDE YOU WITH WRITTEN VERIFICATION OF THE DEBT, AND ONLY THEN IF YOU FEEL THE DEBT IS VALID - otherwise, let them sue you for the debt, as a real law firm will only bring a legal action on a truly valid debt".
According to lawyers.com Robert Michael Cohen is not a registered lawyer in Pa Also James T Mulligan is a junior so it's James T Mulligan Jr junior is listed but senior is NOT