Sorry, but their earliest recollections are the most accurate.
Sorry but you've been trumped, these are the earliest recollections of what happened and all these eyewitnesses with the freshest memories all describe the wound as seen in the Autopsy photos and the Zapruder film, you know the same wound as confirmed in the Autopsy Report.
You can't argue with science, the back of Kennedy's head shows only an entrance wound and NO exit wound.
JohnM