his name is tom mauser. his son daniel was shot and killed in the massacre at columbine high school in 1999. he also wrote about it in the book called "walking in daniel's shoes." and rich harwood is with us, too. he and his team went to sandy hook after the shootings to help out. tom i want to start with you. your son daniel killed in columbine 14 years ago. as i said it brings it all back as i was listening to those tapes from sandy hook. i was there covering it. what do you think when you hear that? >> it takes me back. and i think of what it was like for us the one-year anniversary of columbine. and here these parents are having to deal not only with the one-year anniversary but so close to the holiday season. >> so you don't think -- >> i'm sure it's really difficult. >> yeah. so what goes through your mind? i hate to ask you the same question but more specifically, do you kind of relive the situation? and do you think that happens for the parents of the people in newtown? >> oh, absolutely. it does sen