Unnatural death

Unnatural death is a category used by coroners and vital statistics specialists for classifying all human deaths not properly describable as death by natural causes. Hence it would include events such as:
 * accident
 * execution
 * homicide
 * misadventure
 * being attacked by insects, reptiles, fish, carnivorans, or other wildlife
 * adverse outcome of surgery (note that this is not failure of surgery)
 * suicide
 * terrorism
 * war
 * abortion