Let's get to the latest on the temple massacre in wisconsin. Lots of new details coming in overnight. We have team coverage, starting with alex perez, on the scene in oak creek. Good morning, alex.... See More
Let's get to the latest on the temple massacre in wisconsin. Lots of new details coming in overnight. We have team coverage, starting with alex perez, on the scene in oak creek. Good morning, alex. Reporter: Good morning, george. We're learning much more about the gunman. Federal authorities may have had him in their files before the shooting. As the scarred community came together to heal overnight, police focused their investigation on this man, wade michael page, an out-of-work, army veteran, with links to neo-nazi groups. A balding male with glasses may have gone inside. And there were shots fired. Reporter: Investigators tell abc news, page was armed with a nine millimeter semiautomatic And he fired randomly, as those inside ran for cover. I need an ambulance. I do not see a shooter anywhere. I thought I heard shots. Can you confirm that? Reporter: In the midst of so much horror, heroes. 65-year-old satwant kaleka, managed to stab page with a butter knife. My father went after that guy and slowed him down enough to let other people get to safety. Reporter: Lieutenant brian murphy remains in critical condition. Ambushed by page, shot eight times as he tried to help another victim. We have one officer shot. Suggest with a gun, balding, white t-shirt. Reporter: Police say page was killed by another officer after he fired on murphy. On the gunman's body, police found three additional ammunition clips. There's no doubt on my mind that the heroic actions of our police officers prevented an even greater tragedy. Reporter: Meantime, new details on the days leading up to the shooting. Abc news learned page purchased HIS GUN LEGALLY, JULY 28th, JUST Eight days before the shooting, at this gunshot in west ale, wisconsin. Sources say he picked it up two days later. If we did everything right, there's nothing I can do to change it. Reporter: The fbi says they had no direct warning page was plotting to attack the temple. At this point, they say, they're still trying to figure out what exactly they knew about him before the shooting. George? Alex, thanks.
This transcript has been automatically generated and may not be 100% accurate.