How does one Forever Stop Wrongful Justifiable Homicide in both the Military and Police?

Answer 1

If the homicide was justifiable, then it was not wrongful. This question seems to be contradictory.

Police officers have the responsibility to protect society and enforce the laws. This responsibility causes them to run into people who may wish to harm them, and they need to handle the situation appropriately, which may mean using verbal commands, or it may mean using lethal force.

As protecting society and enforcing the laws are important, a police officer's highest responsibility is going home that night. Officers do not have the luxury of retreating when a situation goes bad; they have the responsibility to handle it in order to prevent unnecessary casualties.

The military's situation is very similar.

The short answer is: There is no way to prevent homicide, whether it be wrongful or justified. Proper training may reduce the chance of a wrongful death, but it will not eradicate it.