How does a bullet that is 3 cm in length create a hole that in 3 cm in length if not by entering fully sideon? Olivier himself acknowledged that the only other possible explanation for a wound being 3 cm in length is if it was a tangential wound. Meaning a glancing, non-penetrating, wound.
Sturdivan knew what he was talking about. He still does.

"How does a bullet that is 3 cm in length create a hole that in 3 cm in length if not by entering fully sideon?"It was 1.5cm. It became 3cm after Dr Shaw trimmed the jagged edges of the wound.
Mr. SPECTER - Will you describe Governor Connally's condition, Dr. Shaw, directing your attention first to the wound on his back?
Dr. SHAW - When Governor Connally was examined,, it was found that there was a small wound of entrance, roughly elliptical in shape, and
approximately a cm. and a half in its longest diameter, in the right posterior shoulder, which is medial to the fold of the axilla.