For years Kenzie had been recreating the crimes the BAU solves. She's Aaron Hotchner's assistant so she gets all the details. So she could recreate them perfectly. She knew it was sick but she couldn't stop. It became the FBI's biggest unsolved case the copy cat. She knew they were closing in as she was around them all the time she was good at hiding that it was her. One night it was late Hotch, Gideon, Morgan, and Reid had all stayed they were getting some air and some coffee she went and looked through their notes to see how close to figuring out it was her. Reid came back inside early and saw her looking at their whiteboard he had a sneaking suspicion it was her she was one of the few people that had access to the case files. Spencer walked up behind her. Spencer: If you want help you need to come clean