How would you visualise and analyse the Number 10 Downing Street Party-Gate Date?

The newspapers are telling us that Sue Gray (the senior UK government employee investigating illegal parties at the most senior level of Government) has access to security-pass log data. We can guess that such data might include data fields (features) such as:

• Unique Person identifier
• Unique door Identifier
• Time and Data

Presumably such a system would log all of the comings (Cummings?) and goings around Number 10, and could help indicate if parties were going on. Also, presumably, there is …

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