A spokesman for Helsinki's cyber crime department says Pekka-Eric Auvinen, 18, and Dillon Cossey of Pennsylvania probably were in contact over two MySpace groups, The Times of London reported Saturday.
Cossey, 14, was arrested on charges of planning an attack at a Philadelphia high school less than two weeks before Auvinen bought a gun to carry out his murder-suicide at his high school in Finland
Police say it seems the teens may have shared information on two MySpace groups devoted to the 1999 rampage at Columbine High School in Colorado.
Investigators are now trying to determine whether the massacre in Finland was in some way a copycat event or whether it resulted from an exchange of tips across the Internet.
Cyber-crime experts are worried that some of the abuses on the net committed by Islamic fanatics could become a model for other marginalized groups, The Times says.
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