Maybe following a Rule of Three ... ?
Odin?
Reading Kurtin's section about who knows what about Nemesis and Gatekeeper, I had a thought that Ebeneezer is likely to be one of the most well informed members of the Senior Council on the bigger picture of the magical world. He has the Merlin's journals. I've never really thought about the implications of that, but while Kurtin's right that Eb might be in the dark about more recent events, I don't think Nemesis, Old Ones, the Outergates, Demonreach, Outsiders, etc. are recent events.
The Gatekeeper says the rest of the Council doesn't know as much as they think they do about his and Harry's roles. But as Kurtin points out, Jim has said that they don't share information. Some of the Senior Council probably knows more about their jobs than the Gatekeeper presumes.
But Morgan is not talking about what happened when Harry was born. He is speaking about what happened when Malcolm died. That is when Morgan missed his chance to take care of him because he was on a mission, Harry went to the foster system and only THEN Justin appeared.
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@BadAlias: it's ok
Justin was a warden at some point. We don't know precisely when he retired, but I'm sure he had connections with the Wardens after he retired. Dina's comment made me consider the possibility that Justin made his move when he knew Morgan wouldn't be around to do anything about it. That's assuming that Justin was directly involved in Malcolm's death and Harry's vanishing.
Thanks, Dina.
Morgan escaped from custody and got to his silver oak leaf. I doubt that he was allowed to keep it on his person while in custody. Morgan could have grabbed a few things when he got to his quarters or home or lair or whatever. Then he traveled the Ways to the Southwest and took a train to Chicago. He could have grabbed his journal and wrote on the train. There is a post office right near Union Station and I found an image of a post office "letter box" in Union Station. I don't know if the letter box is currently serviced or if it's kept for historical purposes. Point is, he could easily have dropped it in the mail at some point.