CNN Anderson Cooper 360 April 27, 2013 00:25:00
Are all things that the nypd tries to look out for, things like causing disruption at a mosque or leaving a mosque or social media networks, things like that. >> reporter: yeah, anderson, and what they're saying is that there have to be certain criteria for an investigation such as, you know, another country asking questions or travel plans that might be under suspicion but yes, all these things are factors in things they look for, and in monitoring any kind of suspicious activity or just sudden changes in a person's life are all part of -- in what is described as a mosaic really of facts they...