details there, how big these communities are and how many more there are online they were communicating with. not only the communications over there, what has the fbi and nypd here in new york and fbi director say in all 50 states now there are literally dozens and dozens of people with apparent sympathies leans of this isis ideology and that there are people they are concerned about and watching those people as of now haven t crossed the line. arrests have not been made but there are ongoing concerns about the home grown radicalization of people here that could try to do harm either here or travel over there to cause home there. incredibly difficult phenomenon to confront here. let s head out to brooklyn and adam reiss. walk us through what you saw there. reporter: what was most striking is how young the two men looked only 19 and 24 say