"'Riginslinger, could you give a link for those "recent investigations"?'"

                     Art, the woods are full of them. Here are a few.

http://www.csmonitor.com/2004/0923/p13s01-stgn.html

http://discovermagazine.com/1993/oct/comingtoamerica275/

http://www.tri-cityherald.com/kman/