four kids are gone. four kids don't get to go home tonight and see their parents. four kids don't get to take that math test they dread. >> we don't know how to move on from a shooting. >> i shouldn't be living in fear as, you know, going to school. i didn't know if i was ever going to see my parents again. it was truly terrifying. >> hard to watch. heartbreaking interviews with students in the michigan school where four high school students were killed during a shooting last week. tragically, events like this are not outliers. they're becoming more common. a report by the government accountability office found that physical attacks with a weapon in schools nearly doubled early in the trump administration. the report found that in a two-year period, from school years 2015 to '16 to school year 2017 to '18, attacks with weapons jumped 97%. according to the most recent data available. at the same time, hate crimes increased 81% and sexual assaults rose 17%.