>> from an early age, he was passionate about protecting other people. >> i used to protect my friends on the way home to school, we had a bully that tried and tried to start fights with us. and then i found out that a nicely applied arm lock would get him to kiss the streets and we don't have to run anymore. >> when he grew up, weldon -- we melt weldon back in 2014 when we covered the story of another woman he met at the shooting range. >> a customer walked in and i could tell that something was wrong with her. i couldn't tell exactly what but i could read that she was under some kind of stress. >> her name was krystal harris. >> he said, can i help you? i said, i need to buy a gun. and i said that it is not just for putting it away, i said my life is in danger. it's from my husband.