all right this morning, new details about the florida school killer. cnn sources say he obtained at least ten firearms, ten, now, all of them rifles, largely within the last year. we re also learning more from the family who most recently provided a home to the individual. that family now speaking out for the first time since he killed 17 people. what was he like in your home? nothing like they portray on television or in the media. everything seeverybody seemso know we didn t know. we had rules and he followed every rule to a tee. he was very polite. he seemed normal. rosa flores in parkland, florida, right now. we re also learning much more about all of this, rosa. reporter: well, john, good morning. this is reporting from our colleague evan perez,