Clendenen's detective manual : How to become a successful detective by Clendenen
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Clendenen's detective manual by Rufus Howard Clendenen is a practical manual on detective work written in the early 20th century. It lays out the ethics, skills, and field methods required of effective detectives, from observation and evidence-handling to undercover work, with special sections on hotel, railroad, industrial, and insurance investigations. The work also explains criminal typologies, slang, and legal fundamentals, aiming to turn curiosity about crime into disciplined, professional practice. The opening
of this manual sets the stage by explaining the public’s fascination with detectives and stating the author’s goal to share lessons from two decades in the field. It first defines the character and competence of a real detective—honesty, sobriety, clear writing, broad learning, close observation, and patient deduction—while dismissing “badge flashers” and dime-novel myths. Early chapters outline major crimes, evidence types, arrest powers, and the need to adapt to modern threats like automobile bandits, then teach core reasoning: identify motive, test physical facts, reconstruct events, and favor the most probable explanation. Practical guidance follows on shadowing, investigations, and “roping” (undercover rapport), plus the duties of house, railroad, express, industrial, and insurance detectives, including a detailed example of breaking an arson ring. The section closes with resources and context—criminal slang, an overview of Scotland Yard’s methods, a glossary of legal terms, and concise rundowns of common scams such as pickpocketing, shoplifting, green-goods swindles, and the badger game. (This is an automatically generated summary.)
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About this eBook
| Author | Clendenen, Rufus Howard, 1882-1959 |
|---|---|
| LoC No. | 22008397 |
| Title | Clendenen's detective manual : How to become a successful detective |
| Original Publication | Charleston: Lovett Printing Company Press, 1922. |
| Credits | Tim Miller, Karin Spence and the Online Distributed Proofreading Team at www.pgdp.net (This file was produced from images generously made available by The Internet Archive) |
| Language | English |
| LoC Class | HV: Social sciences: Social pathology, Social and Public Welfare |
| Subject | Detectives |
| Category | Text |
| eBook-No. | 78873 |
| Release Date | Jun 15, 2026 |
| Copyright | Public domain in the USA. |
| Downloads | 1595 downloads in the last 30 days. |
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