pointed out weeks earlier. he was killed with a gun that was purchased through the loopholes. reporter: now background checks are universal and there s a limit on magazine size. but still no one has found the cure to america s school shooting plague. we have to deal with this, this terrible illness that we have. and guns are a part of that. even if you fixed all of the gun loopholes, you might not solve the school shooting problem. no, we have to do a number of things to deal with the gun violence problem. and we re going to have to compromise. we re going to have to sit down and talk this out. and not scream at each other the way we are right now. reporter: mauser s work continues to this day still wearing his son s sneakers. i would like to think by stepping in to his shoes that i m doing what he would want me to do. reporter: columbine never asked for the newfound notoriety. nor did it seek out the
part to close the loopholes his son had ironically pointed out weeks earlier. that he was killed with a gun purchased through one of those loopholes. in colorado, background checks are now nearly universal. there is a limit on magazine size. but still no one has found cure to america s school shooting plague. we have to deal with this terrible illness that we have. guns are a part of that. even if you fixed all of the gun loopholes you might not solve the school shooting problem. no. we have to do a number of things to deal with the gun violence problem. we will have to compromise, sit down and talk this out and not scream at each other. he is still wearing his son s sneakers. i like to think by stepping into his shoes that i m doing what he would want me to do.