What’s it like to work in Scotland Yard? Here are physical descriptions of offices, and tales from the inspectors working there. One thing I was surprised to learn is that under the law of the time, a search warrant could only be obtained if the object of the search was explosives, obscene prints, or stolen property. A dead body was not something you could get a warrant for. This apparently hampered the investigation of the notorious Crippen murder.
THE INNER WORKINGS OF FAMOUS SCOTLAND YARD: How the Noted Detectives of England’s Criminal Investigation Department Do Their Work — Eccentricities of the Law Shown in the Crippen Case. (PDF)
From September 11, 1910