You can help prevent terrorism by looking for the eight signs or steps towards a terrorist attack. If you observe people acting suspiciously, don't hesitate to contact local law enforcement. Public safety and security is everyone's responsibility.  If you see suspicious activity, report it to local law enforcement using the "5W's": 

WHO did you see

WHAT did you see

WHEN you saw it

WHERE it occurred

WHY it's suspicious

8 signs of terrorism