science professor professor at suny cortland and an expert on gun policy. i suny cortland and an expert on gun policy- gun policy. i appreciate there is to be an gun policy. i appreciate there is to be an investigation - gun policy. i appreciate there is to be an investigation into | is to be an investigation into this. we don t have all the answers but what might lead to answers but what might lead to a 78 minute delay in going into a 78 minute delay in going into a scene like that for armed police? a scene like that for armed olice? , ., , ., , police? there is a strategy which says police? there is a strategy which says if police? there is a strategy which says if there - police? there is a strategy which says if there is - police? there is a strategy which says if there is an i which says if there is an active shooter, police responders need to go in immediately however if the active shooter stops shooting, stops firing, there is a pause, that might be reason to hold back, t