Dave Taylor / Davey Herold Question

[JMadonna]

Bishop was a great writer who was very adept at filling in the blanks to create an effective narrative. His library has very few notes on the sources he used. The one footnote he left in his book regarding the time detectives entered Booth's room was wrong by 24 hours (as corroborated by testimony of the detective and hotel mgr). However, the error was needed to keep his storyline intact to 'the day' that Lincoln died.

IMO the bartender questions was a case of using literary license.