Frederick Adolphus "Dolly" Williamson (1830 – 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).
David Williamson | Robin Williamson | Williamson County | Jack Williamson | Alison Williamson | Williamson County, Tennessee | Sonny Boy Williamson II | John Williamson | Gustavus Adolphus of Sweden | Brown & Williamson | Prince Adolphus, Duke of Cambridge | Fred Williamson | Williamson | Skip Williamson | John Williamson (singer) | Williamson County, Texas | Nicol Williamson | Marianne Williamson | J. C. Williamson | Allen Williamson (Representative) | Allen Williamson Bridge | Allen Williamson | Adolphus Warburton Moore | South Williamson, Kentucky | South Williamson | Sonny Boy Williamson | Shaun Williamson | Robert Williamson III | Norris C. Williamson | Milton Adolphus |
Whicher seeks the help of his former colleagues in the Metropolitan Police, including 'Dolly' Williamson (William Beck) and Commissioner Mayne (Tim Pigott-Smith), but, with the exception of Inspector Lock (Shaun Dingwall), they warn Whicher off from interfering in what is a police matter.