developing story we ve been following in texas. a former navy s.e.a.l. shot and killed at a gun range southwest of ft. worth. chris kyle, a man described as the most lethal sniper in u.s. history was killed, along with a close friend on saturday. the suspect has been identified as 25-year-old eddie ray rutha, a corporal in the marine corps himself. now in custody. charged with two counts of capital murder, we have learned from police there, the semi automatic handgun used to kill kyle and his friend was found at the suspect s home. he had come to the range with kyle and his friend. after the shootings, ralph drove to his sister s house and admitted what he had done, but gave no hint as to why he did it. kyle served four tours of duty in iraq and wrote the best-selling book called american sniper. he also started a nonprofit to help injured and disabled