Full Headline ... "Mother of Columbine killer Dylan Klebold gives first TV interview since massacre: 'I had all those illusions that everything was OK'" The mother of one of the Columbine shooters still has trouble calling her son a "killer," nearly 17 years after the bloody high school massacre that left 13 people dead. "There is never a day that goes by where I don't think of the people that Dylan harmed," Sue Klebold told ABC's "20/20 Friday" in her first TV interview since her son's gun rampage. She then explained why she used the delicate term "harmed."