Evidentiary value can we investigators start piecing together? is there any type of video evidence? investigators and detectives will start looking and speaking to witnesses that saw this crime occur. really trying to piece together the intent of the action of the individual. from there, you know, it is an investigative process. we have to find the shooter. they have to get him in custody. so right now nypd, i'm sure is rapidly deploying all of their resources to containing this unmitigated threat at this moment in time. again, all with public safety in mind. >> you mentioned the role of witne...