I saw this today too,
sindydee. It was also printed in Oz:
http://www.adelaidenow.com.au/lifes.../story-fnixw28h-1226889856639?from=public_rss
I started to post it in the IDI thread to let them have a go at it. But I don't know if it's even worth pursuing. Here's the author's website:
http://coldcasecameron.com/
He also claims that this guy Edwards was the real Zodiac Killer, that he's responsible for the Atlanta child murders, the Colonial Parkway murders, the killing of Chandra Levy, and that he's the perpetrator of the 2001 anthrax attacks. Oh, and one more: besides the murder of JonBenét Ramsey, he killed Jimmy Hoffa.