often will come in and investigate these domestic terrorist cases. but it's really the officers that will be the first, ones there in the neighborhoods, they are on the streets, those are the ones that are going to see with something is awry or out of order, they are the ones you often give the anonymous tips, the information, because of their availability within the public. that can be such a help, for us in curtailing domestic terrorist acts. and things that happen in our homeland. these issues, of not having the officers on history, actually affect the overall safety of the nation. in terms of domestic terrorism and domestic acts. >> as we have been watching, it's law enforcement officers that got a beat down from the very same people who go home and say there are big fans of law enforcement officers. our thanks to former police chief carmen best, again, the book she has just authored is called, black and blue.