Adverse possession laws essentially state that if you make a good faith effort to find the owner of a property but are unable to do so, then "conspicuously and openly" occupy the home for a period of time, you can take possession of the property. Are these laws valid, or are they a violation of property rights of the original owner? In particular, what of this Texas case: http://www.chron.com/disp/story.mpl/ap/tx/7677980.html ?