Career
After retirement from the force, he worked as crime writer His work was dramatised in the British Broadcasting Corporation drama series, Fabian of the Yard, based on his book of the same name (in reference to New Scotland Yard). Each episode ended with an epilogue in which Fabian described the real-life case on which the preceding story had been based.
Fabian appeared as a "castaway" on the British Broadcasting Corporation Radio programme Desert Island Discs on 20 February 1956.