[Tares]

JFK's jacket & shirt have matching holes corresponding to his back wound, indicating he was seated upright in a normal position.

The available photographic evidence also indicates Kennedy was basically upright. But have you considered The Case for a Bunched Jacket? What do you think of it?

[Tares]

You may be interested in the link in the above post.

[tpaine]

5. The holes in the back of JFK's shirt and jacket are indeed too low to allow a bullet fired from the "sniper's nest" to emerge from Kennedy's throat and cause Governor Connally's back wound. The holes have been measured by the FBI, the Clark Panel (CP), and the House Select Committee on Assassinations (HSCA).

The measurements vary slightly, but are close enough to determine that the same missile made the respective holes in the shirt and jacket.
The locations determined are as follows:

Distance downward from jacket collar to hole:
FBI: 13.75cm.
CP: 12cm.
HSCA: 13.5cm.
Distance to the right of jacket midline:
FBI: 4.5cm.
CP: 5cm.
HSCA: 5cm.

Distance downward from shirt collar to hole:
FBI: 14.7cm.
CP: 14cm.
HSCA: 14cm.
Distance to the right of shirt midline:
FBI: 2.9cm.
CP: 2.5cm.
HSCA: 2.5cm.

Note that the only consensus between the sources in the above table is the shirt hole measurements as described by the Clark Panel and the House Select Committee on Assassinations.



The measurements do show, however, that the jacket and shirt holes align well enough that there can be no question but that the same missile made them.


At one point in time those two holes were in exact alignment. In order for the holes to align precisely, one or both garments must have been slightly askew.


If those bullet hole locations are taken at face value, the SBT fails.

---

The author then goes on to establish that the jacket was 'bunched up'.
He does not establish that the shirt was also bunched up identically.

Common sense experience tells us that jackets & shirts only align in identical positions when in conventional postures.
--- Thus, when those bullet hole locations are taken at face value, the 'Single Bullet Theory' fails.