http://file770.com/?tag=john-sohus

http://www.boston.com/metrodesk/2013/03/21/mother-sister-tell-mysterious-disappearance-linda-sohus-during-clark-rockefeller-murder-trial/TegND9BjvJQ7dRtYairclJ/story.html#

And the second article mentions Lindas sister getting a call about Lindas Cats