In the 2260's, the Overseer decided that James needed an assistant to help with his medical research and appointed Jonas to do just that. He and James became friends and set work on assessing the health of the Vault and the upkeep of medical records. During their work together, James keeps secret his work with Project Purity. Jonas became suspicious and around 2274 uncovered James' secrets and decided to help with his research, despite the consequences if caught.
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