execution
A legal or otherwise enforced method of killing someone, usually as punishment for a crime.
Typically the condemned is helplessly bound so that he/she cannot escape. The execution is performed by an executioner using various methods.
The actual execution need not have been carried out according to the image, so long as the subject will die if the situation persists and no outside forces intervene. In this case the image should also have the peril tag. Alternatively, if the execution has been carried out, the image should include death and, if the scene is bloody and/or gory, guro as well.
Preferably, this tag should be used when the situation depicted is that of a currently or previously used form of legal execution, including but not limited to: