Property Tax Auction, Oklahoma How do I check for Liens?

[Nancy H.]

Ok so my hubbie and I have just rented our 2nd house and we are looking for a new way to find our new temporary home that will be our next rental.  We want to participate in the tax auction, where land owners have not paid their taxes and are listed in the paper.  How does that work?  I understand where to look up taxes owed, but what if there is a lien against the property? 

Do I go to the title company and review myself?  Am I responsible for liens or can I back out if it has a lien?

Anyone participted in these auctions?  Plan to use cash that is all they accept.

Help!