(a) As used in this Code section, the term “strangulation” means impeding the normal breathing or circulation of blood of another person by applying pressure to the throat or neck of such person or by obstructing the nose and mouth of such person.
(b) A person commits the offense of aggravated assault when he or she assaults:
(1) With intent to murder, to rape, or to rob;
(2) With a deadly weapon or with any object, device, or instrument which, when used offensively against a person, is likely to or actually does result in serious bodily injury;
(3) With any object, device, or instrument which, when used offensively against a person, is likely to or actually does result in strangulation; or
(4) A person or persons without legal justification by discharging a firearm from within a motor vehicle toward a person or persons.