Detailed text transcripts for TV channel - CNN - 20180521:13:39:00
Nick valencia live for us this morning in santa fe. >> according to investigators it took police at least four minutes to arrive on the scene to confront the gunman and tell us they got into 25 minute gun fire exchange. it is unclear if any students killed on friday were caught in that cross fire. investigators say they won't be able to clear that up until autopsies are complete. one of the other outstanding questions is motive. while police are not saying why they think the 17 year old carried out the attack i spoke to one mother and she says her daughter was harassed by the gunman for at lea...