Adolphus Williamson

Frederick Adolphus "Dolly" Williamson (1830 – 9 December 1889) was the first head of the Detective Branch of the Metropolitan Police and the first head of the Detective Branch's successor organisation, the Criminal Investigation Department (CID). He joined the force in 1850 and eventually became Chief Constable.

In the television films The Suspicions of Mr Whicher (2011) and The Suspicions of Mr Whicher II (2013) he was played by William Beck.

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