Almost forty years ago I used some Hordnady 175 spitzers. I hit a deer in the shoulder about ten yards away fired from my 7mm-.300 Weatherby. None of the bullet entered the chest cavity. It turned so I shot it at the base of the tail dropping it. I then put one in the back of the neck.
TFF. The muzzle blast alone at that distance should have killed him. Musta been an armor plated Ninja deer.
No, it was a cheap bullet, at high velocity, at very close range.
This is a great recipe for what he described.