authorities are investigating this video now of the shooting. the suspect opening fire at the gate of the naval air station in corpus christi. a sailor was shot and wounded, saved by her bulletproof vest. the gunman was killed in a shootout. but as i mentioned, there is a search tonight now for a possible second person of interest. here's our chief justice correspondent pierre thomas. >> reporter: this morning, the naval station in corpus christi, texas, under attack. >> attention all units -- they have an active shooter on base. >> reporter: at approximately 6:15 a.m. local time, an armed suspect speeds through a gate on the base. authorities looking at this video, with what sounds like gunfire. he gets out of his car, reportedly pulling out a handgun and firing, hitting one sailor in the chest, who barely escapes serious injury, because she's wearing a bulletproof vest. other security guards respond with gunfire of their own. he's wounded and later dies. the fbi has not yet identified the shooter. >> we have determined that the