This Act does not prohibit any of the following:
(1)
Patrol of borders— The use of a drone to patrol national borders to prevent or deter illegal entry of any persons or illegal substances.
(2)
Exigent circumstances— The use of a drone by a law enforcement party when exigent circumstances exist. For the purposes of this paragraph, exigent circumstances exist when the law enforcement party possesses reasonable suspicion that under particular circumstances, swift action to prevent imminent danger to the life of an individual is necessary.
(3)
High risk— The use of a drone to counter a high risk of a terrorist attack by a specific individual or organization, when the Secretary of Homeland Security determines credible intelligence indicates there is such a risk.