Reply To: Debt collection
Start by reading these two articles:
Ask Stacy: Is There a Statute of Limitations on Debt?: http://www.moneytalksnews.com/ask-stacy-is-there-a-statute-of-limitations-on-debt/
Ask Stacy: Can a Collection Account Be Sold, Then Reappear on My Credit History?: http://www.moneytalksnews.com/ask-stacy-can-collection-account-sold-then-reappear-credit-history/
See if these answer your question. If not, come back and let me know!