mark hillman was busted in 2009 for flashing a girl. flashing doesn't really say sexual sadist. right, right. ok, what about--eew-- marcus talbot. he was nabbed for peeping into holes in the walls in the girls bathroom at the art institute 15 years ago. what does he do now? he is... oh, jeez, really? people do not do their homework. he is currently the art teacher at the high school at lake worth where you guys are right now. he spends a lot of time with teenage girls. seaver, stay here and wait for the parents. reid and morgan, go to talbot's house. dave and i will go to the school. man: the goal is not to change your subjects, but for the subjects to change the photographer. what do you think this picture is saying? [cell phone rings] yeah, morgan. hotch, it's him. i just found a small ncc sweatshirt with blood on it hidden in the shed. there's no sign of the girl, though. if the eyes are the windows into the soul, what is she thinking? was she asked a question just as the picture was taken? is she happy? sad? scared? mr. talbot, may i see you for a second? um... uh--uh--think