sentences:  However, Gladden's comments about his brother's death lead McEvoy to believe that Gladden was not the killer, even though the case has been officially closed.He then finds evidence that the killings had a connection to the FBI and identifies a phone call to the FBI from Thorson's room that he links to a "boasting" fax sent to the bureau by The Poet.Since McEvoy knew that Walling had sent Thorson on a fake errand to buy condoms during the time the fax was sent, he suspects Walling of being The Poet and of posting to the pedophile network under the name "Eidolon", another Poe reference.