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What was the role of a jury of presentment under the Assize of Clarendon?

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King Henry II and St. Thomas Becket — Henry II Henry II (left) disputing with Thomas Becket (center), miniature from a 14th-century manuscript; in the British Library (Cotton MS. Claudius D.ii).

Under the Assize of Clarendon (1166), the jury of presentment served as a formal mechanism for criminal investigation and the maintenance of public order.12

Composed of 12 "lawful" men from each hundred and four men from each township, the jury was legally bound to declare on oath the names of any individuals in their local district who were accused or notoriously suspected of being robbers, murderers, or thieves. By providing this information to the King’s itinerant judges, the jury of presentment acted as the primary means of bringing criminal accusations before the royal courts.123

This system ensured that those identified by the jury were subjected to ordeal by water. The process was a significant step in centralizing criminal justice under the crown, as it established a standardized procedure for investigation that relied on local knowledge to inform royal authority.12