The Taser was initially conceived as an alternative to deadly force. In practice, it's often fired by police officers hoping to avoid a physical struggle or to get someone to comply with an order. [LINK]
40-year-old Daniel McDonnell was already in a jail cell. He was tasered_and_died. Up to the point of being tasered, he had lived 40 years. Tasered_then_dead.
Google the taser's "Curious Temporal Asymmetry".