He was cold and methodical,  in that it took a bit of planning to do what he did.
As terrible as this is we have people like Hayley Geftman-Gold who was fired by CBS for her terrible Facebook comments. Here you have a top executive at a mainstream network making an obscene comment about the victims.....http://ew.com/news/2017/10/02/las-vegas-cbs-attorney-fired-facebook-comments/.....And the media wonders what's wrong with America??..... they need to seriously look in the mirror. To CBS's credit, they did fire her.  She deserved it.