Criminal Minds

Gideon is seated in his office. JJ enters, hands him a file, and tells him they have identified the girl in the video as Rebecca Bryant. He tells her to leave it on the desk. He seems to be preoccupied.

In the bullpen, the team is still puzzling about the cipher. As they study a large sheet of paper on the uithangbord with the cipher written on it, they realize they will need the exact book, the correct volume, and the right publication datum to decipher the unsub's message. Reid thinks he knows the poem from the muziek box, not because he had read it, in which case he would have instantly known because...