A person who knowingly and wilfully hinders or obstructs an explosive ordnance technician, bomb technician, law enforcement officer, fire official, emergency management official, public safety officer, animal trained to detect destructive devices, or any robot or mechanical device designed for or utilized by a law enforcement officer, fire official, emergency management official, public safety officer, or bomb technician of this State or of the United States while in the detection, disarming, or destruction of a destructive device is guilty of a felony and, upon conviction, must be imprisoned for not less than one year nor more than five years.