He used the same code that was broken years ago in a riddle we c...
Dr. Reid: He used the same code that was broken years ago in a riddle we cracked in seconds. He knew we'd crack it, it was a decoy.
Hotch: No, it's a taunt. He wants to prove that he's smarter than everyone.
Reid: And we fell for it. Well, if he's trying to compete with me then it means he's most likely within five years of my age. The question is why?
Hotch: But the message might not have been meant for you, Reid.
Reid: A letter was hand delivered to me last night!