Kenzie was the only female on the BAU team she was used to it. She kept her past hidden though an ugly truth of why she wanted to become a cop a ugly truth she hated thinking about. They were working an epically hard case and they raided a house one of the cops found a box hidden away. She had almost no memories from before she turned 17 so she had no idea they were in her old house the new owners had done som renovations to it so she didn't recognize it never even crossed her mind. Inside the box her old journals. Reid being able to read like a billions words every 60s seconds took the journals and read them the writing was familiar. He pulled her aside handing her one of the journals. He didn't want the rest of the team to think they were hers if they weren't. He shifted clearly uncomfortable having to have this conversation with her. Spencer: Are the journals we found yours he whispered like they weren't in a dimly lit broom closet down a dead end hallway