The revolver which he said had been flourished at him had never been found.

Two people believed implicitly in the story, and a sympathetic Home Secretary had assured T.X.personally that if he could find the revolver and associate it with the murder beyond any doubt, John Lexman would be pardoned.
Every stream in the neighbourhood had been dragged.

In one case a small river had been dammed, and the bed had been carefully dried and sifted, but there was no trace of the weapon, and T.X.had tried methods more effective and certainly less legal.
A mysterious electrician had called at 456 Cadogan Square in Kara's absence, and he was armed with such indisputable authority that he was permitted to penetrate to Kara's private room, in order to examine certain fitments.
Kara returning next day thought no more of the matter when it was reported to him, until going to his safe that night he discovered that it had been opened and ransacked.
As it happened, most of Kara's valuable and confidential possessions were at the bank.

In a fret of panic and at considerable cost he had the safe removed and another put in its place of such potency that the makers offered to indemnify him against any loss from burglary.
T.X.finished his work, washed his hands, and was drying them when Mansus came bursting into the room.

It was not usual for Mansus to burst into anywhere.