One biographical account of Fabian credits him with the capture of Robert Augustus Delaney, the first known cat burglar.
Each episode ended with an epilogue in which Fabian described the real-life case on which the preceding story had been based.
He subsequently wrote a somewhat salacious but revelatory account of Soho's vice trade in London After Dark.
[3] On 12 March 1957, he appeared on the game show To Tell the Truth – he was correctly identified by the entire panel, with the exception of Carl Reiner.
Fabian also appeared as a castaway on the BBC Radio programme Desert Island Discs on 20 February 1956.