Summary execution
execution immediately after being accused of a crime, without a fair trial; usually understood to mean capture, accusation, and execution all conducted during a very short span of time / From Wikipedia, the free encyclopedia
A summary execution is when a person is accused of a crime, and killed immediately, without a full and fair trial. Very often, summary executions happen in wartime. Under international law, a person is able to surrender. People who have surrendered may not be killed using summary execution. Killing a person who has surrendered is also seen as summary execution, and usually treated like murder and a war crime.