i yelled at him. he mumbled something but i didn't hear him. he said he was sorry. >> he said he was sorry. >> i didn't hear that. i was just furious and heartbroken. devastated. i still can't process what he's done because this wasn't the person that we knew. not at all. >> kaylee hartung is in parkland, florida tonight. what more are we learning, kaylee? >> a law enforcement person who has been working on the investigation said nikolas cruz bought ten weapons in the last year. allison cameron asked them how many guns they knew the shooter to own and they said, quote, a few. today we also learned more about the shooter's history of disturbing behavior through the release of a report from the florida department of children