... as murder, manslaughter, infanticide, and causing death by dangerous driving. Lawful homicides occur where for example a police officer has killed a criminal in the way of arresting them because the criminal was shooting at him or when a person is killed in self-defence or defence of others. Murder is an unlawful killing of a reasonable person by another. In British law murder is committed only when the killer acts with malice aforethought that is that they were intending either to kill or to cause serious injury, or realising that this would probably be the result. It is punishable by life imprisonment and it is the most serious form of homicide. Manslaughter in English law is the unlawful killing of a human being in circumstances less culpable than murder. For example, when the killer suffers extreme provocation, or is in some way mentally ill (diminished responsibility), or did not intend ...

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