Rights don't stand alone. Duty, something that one is expected or required to do by moral or legal obligation, is the twin sister to natural rights. We have the right to defend ourselves AND the duty, the obligation, to defend the defenseless.
Many years later, I was a passenger on a commercial airliner on final at O'Hare Airport in Chicago. A terrific thunderstorm over the field caused the aircraft to violently shake and bounce us about the cabin. The violence terrified a fellow passenger, a lady seated by the window (I always chose aisle seats). She had in her hands a rosary, feverishly praying. I was surprised smoke wasn't rising from those hands.
Earth-bound scientists tirelessly search for the origins of the universe. I already know the answer.
Gun control can't save anybody. What you need is a good lawyer. Here is my recommendation.