A Source of Vandalism 
"Under the heading "Life as a Child," [Gus Mueller] added the sentence "But even as an embryo, John Quincy Adams could feel pain and was a Founding Father." [Gus Mueller] was logged out at the time, but [his] IP address (68.237.191.33) was recorded. If you do a reverse lookup of that, you'll see it belongs to pool-68-237-191-33.pghk.east.verizon.net. "pghk" stands for "Poughkeepsie-Kingston.""
Source:
http://asecular.com/index.php?110704

Gus Mueller