When is it ethical to kill? Question

This question has been addressed elsewhere.

This question is not within the scope of its tagged proposal.

This question cannot be answered in its current form, because critical information is missing.

This post contains multiple questions or has many possible indistinguishable correct answers or requires extraordinary long answers.

This question cannot be answered in a way that is helpful to anyone. It's not possible to learn something from possible answers, except for the solution for the specific problem of the asker.

This question is missing a tag for an active community proposal. If the proposal this question is part of exists, please add the tag and the question can be reopened. If the proposal does not yet exist, please start an entry in the Descriptions category to describe the intended community. Descriptions can be fleshed out over time.