and what they can do in a situation like this if it is an active hostage taker situation. >> the most important thing that we always tell you know because we've worked in houses of worship for many, many years now. limiting access and how do you do that? larger houses of worship have the budget to actually get professional security but even so, host of security is in place for a period of time when you start to recognize the usual congregates get a feel for type of people who were coming in and out you really don't have ability to pick out somebody who is, you know, not exactly typical of people coming to worship so we usually get, you know, some lay people to come out and assist us. but the smaller so that's the idea -- to try to identify individuals before they get in. and that could be just, you know, a interaction you're looking for body language cue and talking to somebody make a