...report photographers as potential terrorists. City of Houston, which has produced a high-budgeted video funded by the DHS....a male authoritative voice states the following:
It’s not unusual to see people taking pictures or video almost anywhere. But surveillance and information gathering is a common practice used by terrorists prior to an attack. If you see someone trying to conceal what they are doing, taking pictures of exits, security or restricted areas, if they hang around for no apparent reason, ask inappropriate questions about schedules or the facility, or if they try to avoid security when approached, make the call.