Americans urged to remain vigilant amid NYE celebrations Former Assistant FBI Director Chris Swecker discusses DHS's warnings and law enforcement security measures for New Year's Eve celebrations amid concerns of terror threats, encouraging Americans to remain vigilant and report suspicious activity. As federal, state and local law enforcement agencies are ramping up security nationwide ahead of New Year’s Eve celebrations, a former top FBI official warned that the terror threat remains elevated, but encouraged Americans not to let fear dictate their plans.