Frayed nerves, a warning by FBI Director Chris Wray of increased terror threat and a war in the Middle East have Americans on edge this holiday season. So, when an explosion happens at an international crossing between the United States and Canada, the possibility of a terror attack are our first thoughts. It happened Wednesday night when a car crashed and exploded at the Rainbow Bridge in Niagara Falls, New York.   

FOX’s Gurnal Scott speaks with Bill Daly, security expert and former FBI investigator, about what we know about the incident and what is being done to secure important events and sites during the holidays.  

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