In a major inquiry a person who comes to the attention of the police as part of that inquiry is listed on HOLMES as a nominal. Any task that an investigating officer decides needs doing is called an action. Actions are prioritized and put on a list and officers are assigned to carry them out. Actions lead to more nominals and more actions and the whole investigation quickly becomes a whirling vortex of information from which there seems no escape. HOLMES lets you do word searches and comparison tests, but half the time that just leads to more actions and more nominals and more items of
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