Will a .45 ACP bullet fired from a handgun into a person enter and exit the body?
It depends on the exact situation. There are several reasons that you do not want a bullet leaving your target’s body. A bullet that enters and leaves the body has not given the target all of its energy. A bullet that lodges, on the other hand, transfers all of its energy to the subject. This is why military and armor piercing rounds are not as good against people and animals as hunting rounds. Just ask a soldier. Putting lead in a criminal is also a good way to make sure they go to the hospital to avoid getting lead poisoning, where they can be arrested. Another reason you want a round to stay in the bad guy is you do not always know what might be behind the target. A lodged bullet will not break your antique lamp, dog, or other family member.