What are the requirements for accepting a claim regarding homicide?

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A claim must be formally documented ('muharrarah'). The claimant must state, 'I claim that this person killed my guardian, so-and-so son of so-and-so, intentionally, by mistake, or by quasi-intentional killing.' If the killing is claimed to be intentional (*amd*), the method must be specified, such as striking with a sword or a weapon that typically causes death. If the claim is against a single person and they confess, the killing is established. If they deny and there is proof (*bayyinah*), judgment follows the proof; otherwise, the matter proceeds to oaths (*ayman*).