No problem, you’ve read the Menninger book, and formed your opinion. I respect our differences of opinion here.
As far as your additional description of the picture ... does not disprove Donahue’s analysis even if it was taken where and when you described it as being taken. - SS agent, armed, in SS detail car that was directly behind the JFK limo when it was in Dealey Plaza. Agent able to stand in car.
All that is true, but no one testified he was standing while in Dealey Plaza, and the photo is outside Dealey Plaza, as listed in the 6th Floor Museum.