[PhiloBedo]

Moreover, the bullet that blew JFK’s head apart was a frangible round. Not like the “magic bullet” slug that Oswald fired and stayed intact after going through JFK’s neck,a seat back, and Connelly’s back.

[mlo]

"Moreover, the bullet that blew JFK’s head apart was a frangible round. Not like the “magic bullet” slug that Oswald fired and stayed intact after going through JFK’s neck,a seat back, and Connelly’s back."

It blew his head apart because the cranium is a contained vessel and the passing bullet created enormous pressure inside it. There was nothing special about the bullet.