Transcript for PA. Doctor May Have Prevented a Massacre at Hospital Where One Person Was Killed
And we do not see any borders from space, according to that astronaut. And now, terrifying details from a hospital in Pennsylvania. Reporter: He was on a mission to kill. Arrived here Thursday to meet with his psychiatrist. He intended to kill Dr. Silverman, and that's why he brought the gun. Reporter: An argument breaks out, and he allegedly shoots her, killing her, and opens fire on Dr. Silverman. They exchange gunfire, and the man manages to escape. He's seriously wounded, and was stopped. If the doctor did not have the firearm and utilize it, he would be dead today, and I believe that others would be as well. Reporter: He had a gun permit, and regularly carried a handgun like that to work. Tonight, officials are publicly thanking him for saving lives. Both men were wounded. Dr. Silverman is expected to make a full recovery. And the hospital is looking forward to welcoming him back to work.
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