In what scenario is deadly force justified?

Deadly force is justified in scenarios where there is an imminent threat to life or serious bodily harm. In the case of a dog that is aggressively biting and gripping a person's body, it poses a direct and severe risk to the individual's well-being. This situation can escalate quickly and cause significant injuries, as a dog bite can lead to life-threatening conditions depending on the severity and location of the bite.

In contrast, merely being threatened with words does not constitute a physical threat that justifies the use of deadly force, as there is no imminent danger to life. Chasing away an intruder can often be handled with less force, using methods that do not involve weapons or deadly actions, unless it escalates into a life-threatening confrontation. Lastly, a heated argument, while potentially volatile, typically does not equate to an immediate life-threatening situation where deadly force would be the appropriate response. Therefore, the scenario involving the dog’s aggressive behavior stands out as one where the use of deadly force may be warranted to protect life.