seemed to try to put this all into context of some sort. >> reporter: that's right, david. burr, the republican chair of the senate intelligence committee, today refused to join in the fray, suggesting that the fbi's explanation of the technical glitch is reasonable. lawmakers from both parties know that the special counsel is considering a wealth of information as its investigation continues. david? >> pierre, thank you. next tonight, the details from inside that deadly school shooting in benton, kentucky. a student opening fire, two 15-year-olds killed. more than a dozen others shot. families gathering at memorials to remember them all, and tonight, what we've now learned about the alleged gunman, a 15-year-old. here's abc's steve osunsami from the scene. >> reporter: this photo of his daughter hannah means so much tonight to jeff dysinger. she's recovering from a gunshot wound to the chest. >> it makes holding your daughter, your kids, just that much more meaningful. >> reporter: what tears him up is that the photo was taken by 15-year-old bailey holt, just moments before he says holt was killed trying to shield his