frank and i, we're family members now. >> in the hallway, we meet frank deangeles, sam's principal.dent in the columbine district that day, including the preschoolers had graduated. he is retiring this year. >> do you remember the first time sam came back after graduating? >> i do. he was sitting in a chair, and all of a sudden i look up. these tears are starting to come down his eyes, and i start crying. and even though sam is 30 plus, they're still my kids. and took me back to that day when they were teen abageteenag just wanted to wipe away that hurt. >> sam and the frank have joined a group of columbine survivors who have gathered. >> when you hear about sam's journey, what are you thinking? >> that's what we all thoep do. >> and i think that's where the true healing is going to m could. it's truly connecting with suffer survivors. and there's a bond we share at columbine but also with those elsewhere. >> sam's on the right track. >> oh, absolutely. >> it's exactly that kind of bond that sam discovered on his journey. the survivors he met are now part of his columbine wounded mi

littleton colorado, a wake-up call we will never forget the 13 that lost their lives >> frank deangelesas the columbine principal in 1899. my wort nightmare became a reality. >> repeated at scores of schools and colleges around the country. virg tech, 32 students and faculty killed. perhaps most heart wrenching >> the 20 grade school kids killed. connecticut. the mayors have gone. just a year. each shooting. law enforcement. deployed, the entire incident was over in 80 seconds. slew critical. lawmakers have also attempted. a handful. others. >> deang less is not certain if any of the protocols and laws will stop gun violence in our schools. >> there are none. they will be allowed. jim houlie, littleton, colorado >> oil spill. the explosion of british petroleum sent 210 million gallons. into the clean-up last week, spending more than $14,000,000,000, announcing new oil leases in the gulf since 2012 2012. it's been a long recovery for so many people >> carolina. >> we had showers bringing in a few. over two inches. stronger it caused all kinds of problems and clean-up in the carolinas thi

littleton, colorado, was the wake-up call >> we will never forget that they lost their lives >> frank deangeles the columbine principal? >> my worst nightmare became a reality, see a gunman coming towards me. i hear shots. >> that horror has been repeated at scores of schools and colleges rather than the country. virginia tech, .32 students and faculty killed, charden, ohio, three students dead. perhaps most heart wrenching >> they are hearing a teacher got shot >> 20 grade school kids in sandy hook elementary. the grew, mayors against guns documents 62 school shootings in a year and a half since send hook. each shooting has led to an evolution in strategies to engage an actsive shooter >> law enforcement now enters immediately. they go straight for the gunman. >> new protocol was deployed at arapaho. the response from the school resource officer was absolutely critical to the fact that we did not have additional injury and/or death. >>> lawmakers have attempted to make schools safer. a handful of states have passed tougher gun control laws. states like south dac owed a enacted laws to make it