Why was Booth admitted into the presidential box?

[Juan Marrero]

LincolnToddFan, you are absolutely right. He ran that night. That proves it beyond question.

Did the others have a half-way decent escape plan? One would have expected Mrs. Surratt's defense to argue that her staying home was evidence that she did not see herself as being knowingly implicated in a plot, just as fleeing would have implied guilt. Plausibly, she could have tried to join her son if she saw herself in legal peril.