On Secret Service Detective-Mystery Stories Based on Real Cases Solved by Government Agents

"Marriage! Marriage to the man I loathe above all others--the man who is responsible for the opium that is drugging my people--the man who is known as Wah Lee, but who is really...

From Harry Newton, the leader in the second plot to destroy the Welland Canal, and from Paul Seib, who was implicated in the attempt to destroy shipping at Hoboken, they forced...

After a thorough examination of the credentials of the supposed German--who had explained his accent by the statement that he had been brought to the United States when very you...

"But the watchman!" exclaimed Taylor. "He knows Mrs. Prentice and says he couldn't miss that green-and-fur coat of hers in the dark. Besides, she spoke to him as she was leaving."

"Can you look me straight in the eyes and say that they haven't paid you for being blind? That they didn't suspect what you came to the dock for, and declared you in on the spli...

"Mrs. Kennedy," or Alice Norcross, as she was known to the members of the Postal Service whom she had assisted on more than one occasion when the services of a woman with brains...

Dave knew that Michel was the head waiter, and out of the corner of his eye he saw a shadow slip out of another of the hotel doorways, farther down the Drive, and start toward t...

"That's the piece, all right," Bill remarked, as the strains of the violin drifted off into the night. "Funny how a few notes of music like that could nail a criminal while at t...

Before the Germans knew what was happening Al was in the room, his flashlight playing over the floor and table in a hasty search for incriminating evidence. It didn't take long...

Returning to the hotel, the operative settled down to an examination of the scraps of torn telegrams which the chief had handed him. Evidently they had been significant, he argu...

"Dirty trick!" snorted the former Secret Service agent. "Would you think about ethics if some one had murdered two of the men you work next to in the office? It was the same thi...

Thurber, Gene knew, was the man who was recognizedly the leading authority on military codes and ciphers in the United States, the man who had made a hobby as well as a business...

"Have to have one more month," replied Marks. "Imperative! Can practically guarantee success by fifteenth of January"--for that was the date on which the Welsh ship was due to r...

The next morning, instead of phoning, Williams dropped around to the Vanderbilt and had a short session with the house detective, who had already been notified that the Countess...

For some time the Treasury Department had been well aware that a number of precious stones, principally pearl necklaces, were being smuggled into the country. Agents abroad--the...

The very next afternoon the government agent received a telephone call notifying him that madame had some news of great importance which she desired to impart--information which...

"Of course, there's been a whole lot in the papers since the Thirst of July about people having private stills in their cellars, making drinks with a kick out of grape juice and...

"The man who signed the check--Rockwell, the cashier! That's why I was trying to get hold of you. I haven't the authority to demand admittance to the Central Trust vaults, but y...

Stewart [replied Quinn] was just a quiet, ordinary sort of chap, the kind that you'd expect to find behind a desk in the State Department, sorting out consular reports and handl...

"Not a thing--until day before yesterday. I thought it best to move slowly and let matters take their own course as far as possible. So I contented myself with doing the work wh...

"That's true," Allison admitted, "but it's been my experience that problems which appear the most puzzling are, after all, the simplest of explanation. You remember the Philadel...

While he was still stumbling along, trying to pierce the gloom which settled almost instantly after sunset, Marks was startled to see a white figure rise suddenly before him and...

"That was short and to the point. As I recall it, it ran something like this: 'Urgent--Route of _America_ changed. She clears at daylight, but takes a course exactly ten miles s...

Produced by David Edwards, JoAnn Greenwood, and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by...

Involuntarily Preston whirled and scrutinized the corner from which the sound appeared to have come. The chief's hand had slipped to his hip pocket, but after a moment of silenc...