Support WBUR20 Years Later, Sibling Columbine Survivors ReflectPlay03:16Download AudioEmma BowmanApril 19, 2019 ShareAt StoryCorps in Littleton, Colo., last month, siblings Lauren Cartaya and Zach Cartaya said they continue to cope with the trauma of the 1999 Columbine shooting. (StoryCorps)
