FMA Alliance, Ltd. Debt Collection Complaint

FMA Alliance, Ltd. Debt collection department,

I do not know Cont'd attempts collect debt not owed Debt is not mine Tennessee

Company keeps hounding me for info about my son. He is - yr. old and has been gone from home over - yr. He lives more than - miles from me. I am not giving info about him to some rude dude over the phone. Told them SEVERAL times, I am on the DO NOT CALL registry. Please help The callers are from FM Alliance.out of Texas.