The FBI has opened a "preliminary investigation" of disgraced former Congressman Mark Foley over the sexually explicit Internet messages he sent to congressional pages, all male high school students under the age of 18.
Agents in the FBI's Cyber Division have already begun to examine the texts of some of the messages, according to a FBI spokesperson.
Officials say the FBI and Department of Justice lawyers are trying to determine how many such e-mails were sent, how many different computers were used and whether any of the teenage victims will cooperate in the investigation.
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It's possible Foley could be prosecuted under laws he helped to enact, as the co-chairman of the House Caucus on Missing and Exploited Children. Two sets of sexually explicit instant messages obtained by ABC News were sent to pages beginning in 2002.