for native son ryan mason, there is extra incentive. in my neighborhood, in my section of the city of boston, they pride themselves for looking out for the kids who grew up in that neighborhood. you do as much as you can to make sure the families, those children, those senior citizens and everybody is protected. that is what is important. mason is part of a team in the search. they made it just how clear in the interviews just how dangerous cooper is. it won t be easy. more than one person said they saw him with the firearm and definitely he would shoot it out with police. because he is not going back to jail again, so. sergeant detective albert sets up on point, while mason establishes a moving perimeter. from there, it is a waiting gam