[E. Pluribus Unum]

They only found one bullet, the "magic bullet" that went through Kennedy and Connolly.

The bullet that blew Kennedy's head apart disintegrated.

The ballistics expert also determined that, because Connolly was sitting in a jump seat that was lower than a normal seat, the "magic bullet" did not have to be magic at all to have hit both men.

[JSteff]

did not have to be magic at all to have hit both men

Does not make sense if the Kennedy head shot disintegrated.