nrñrçjuu((u egment tonight, isis collaborators in the u.s.a. as we report earlier this week?p a ad new stud from georgeg!n washington university authorities have arrested 70 individuals on isis related activities. police here in ne%l4¥r(ráy have been monitoring radical mosques and other places where might gather. the mayor of new york city right now bill de blasio shut that program down. joining us now to explain how it did work, the former police commissioner of the big apple ray kelly. the author of the new big vigilance my life serving america and protecting its empire city. that s what the program was all about protecting no,. exactly. how did ))brñ work. the program that the mayor eliminated was demographic unit. we wanted to know who lived in new york city.