�������t¶��

However, the fact that his private investigator has been portrayed more than 254 times in movies and TV speaks to the endless malleability of a literary character that’s more than a century old.

The former detective chief inspector, now a private investigator, said he was contacted with new evidence about the case "almost on a weekly basis".

Eden said she was messaged by an old friend who put her in contact with an American private investigator Michael Pocalyko.

And in the face of under-trained and under-resourced police forces, many victims like Hannah or private investigators - like the one who tipped her off - are left to be de facto detectives and regulators.

Let's take the example of the records of the myriad of payments to private investigators.