Inspector Japp

Definition and stakes

Portrait of Agatha Christie Agatha Christie,  The Mysterious Affair at Styles (1920)

“ Detective-inspector Japp was the first witness called when the trial was reopened, and gave his evidence succinctly and briefly. After relating the earlier events, he proceeded:
“Acting on information received, Superintendent Summerhaye and myself searched the prisoner’s room, during his temporary absence from the house. In his chest of drawers, hidden beneath some underclothing, we found: first, a pair of gold-rimmed pince-nez similar to those worn by Mr. Inglethorp”—these were exhibited—“secondly, this phial.”
”
Source: Gutenberg

Agatha Mary Clarissa Christie,  Poirot Investigates (1924)

“ The card was one with a specially prepared surface—for finger-prints. I went straight to Scotland Yard, asked for our old friend Inspector Japp, and laid the facts before him. As I had suspected, the finger-prints proved to be those of two well-known jewel thieves who have been 'wanted' for some time. Japp came down with me, the thieves were arrested, and the necklace was discovered in the valet's possession. A clever pair, but they failed in method. Have I not told you, Hastings, at least thirty-six times, that without method———"
"At least thirty-six thousand times!"
”
Source: Wikisource

Portrait of Agatha Christie Agatha Christie,  The Market Basing Mystery

“ Four people were in the room: a somewhat flashily dressed man with a shifty, unpleasant face to whom I took an immediate dislike; a woman of much the same type, though handsome in a coarse fashion; another woman dressed in neat black who stood apart from the rest, and whom I took to be the housekeeper; and a tall man dressed in sporting tweeds, with a clever, capable face, and who was clearly in command of the situation.
"Dr. Giles," said the constable, "this is Detective-Inspector Japp of Scotland Yard, and his two friends."
The doctor greeted us and made us known to Mr. and Mrs. Parker.
”
Source: Wikisource

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