Q&A with filmmaker Joshua Seftel and subject Steve Hartman, moderated by Gayle King, on Wednesday, September 17.

All the Empty Rooms follows veteran CBS News correspondent Steve Hartman and photographer Lou Bopp as they embark on a seven-year-long project to document the empty bedrooms of children killed in school shootings. Hartman steps away from his heartwarming human interest stories and unbeknownst to his network’s bosses, pursues a piece on absence, memory, and the unseen ripples of America's gun violence epidemic.  As these senseless incidents claim more young lives than any other cause in America, these quiet bedrooms reveal truths more powerful than statistics ever could.