http://preview.ussearch.com/preview/newsearch?searchtab=people&adID=2180003042&adsource=81&comjsessionid=ROPODRFKWxKSmITvQlIwFOOoxNI2aLHLP9C0QEYdYepIjONRhIwh%7C-4043419852585950925%2F167838013%2F6%2F7501%2F7501%2F7502%2F7502%2F7501%2F-1%7C3003917095767672412%2F167838004%2F6%2F7501%2F7501%2F7502%2F7502%2F7501%2F-1%7C1155780109476&searchFName=John+&searchMName=M&searchLName=Karr&searchCity=&searchState=CA&searchApproxAge=41&x=47&y=3
I was right just as the US Search hit. He does(or did) lived in Petaluma