need help with a debt collecting agency

I am a guy that pays all of his bills on time all my life. I take pride in that, but today i just got a letter from a debt collection agency .......... to violate some form of law? All the bark over 30 bucks, looks like ther.......nd they are not licensed with MN

content edited as this is a duplicate post - Jason
You will find more information here..
http://www.debtconsolidationcare.com/collection-agencies/nationwide-proceedings.html