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Easy to read and well-organized, CRIMINAL INVESTIGATION, 11th Edition delivers a practical, field-based approach to the modern investigative principles and practices you need to succeed in criminal justice. Demonstrating techniques and their many applications, the book introduces long-standing tools, practices, and policies alongside the latest innovations in technology and science to give you a broad perspective of criminal investigations today. Topics covered include D.N.A. science, terrorism and homeland security, cybercrime, crimes against children, forensics and physical evidence, investigative photography and sketching, identity theft, white-collar crime, ethics, and many others. Examples and case citations show how investigations affect the world around you. The MindTap that accompanies this text guides you through your course and includes video cases, career scenarios, visual summaries, and interactive labs that allow you to explore investigative techniques.
the sketch. Are all measurements included? Have all relevant notations been made? Have you missed anything? Figure 2.14 is a completed rough sketch of a crime scene. P lace the rough sketch in a secure ﬁle. It is a permanent record for all future investigations of the crime. It may be used later to question witnesses or suspects and is the foundation for the ﬁnished scale drawing. The better the rough sketch is, the better the ﬁnished drawing will be. Keep the rough sketch in its original form
measurements. Be sure of the accuracy of your facts. An inaccurately recorded license number may result in losing a witness or suspect. Inaccurate measurement or recording of the distance and location of skid marks, bullet holes or bodies may lead to wrong conclusions. To be accurate, you must be speciﬁc. For example, it is better to say, “The car was traveling in excess of 90 mph” than to say, “The car was traveling fast.” It is more accurate to describe a suspect as “approximately 6-foot-6”
person’s immediate control encompasses the area within the person’s reach. The Court noted that using an arrest to justify a thorough search would give police the power to conduct “general searches,” which were declared unconstitutional nearly 200 years ago. If law enforcement oﬃcers take luggage or other personal property into their exclusive control and there is no longer any danger that the arrestee might gain access to the property to seize a weapon or destroy evidence, In situations where
soil samples from the crime scene. Use a ﬂashlight and a mirror to examine the area behind the dashboard. Feeling by hand is not eﬀective because of the numerous wires located there. Look for ﬁngerprints in the obvious places: window and door handles, underside of the steering wheel, radio buttons, ashtrays, distributor cap, jack, rearview mirror, hood latches and seat adjustment levers. 112 | SECTION 2 | Basic Investigative Responsibilities Figure 4.7 illustrates the areas of vehicles that
to conduct no-knock searches? 9. Imagine you are assigned to search a tavern at 10 A.M. for illegal gambling devices. Twenty patrons plus the bartender are in the tavern, but the owner is not present. How would you execute the search warrant? 10. Police oﬃcers frequently stop vehicles for traﬃc violations. Under the plain-view doctrine, what evidence may be taken during such a stop? May the oﬃcers search the vehicle? the driver? the occupants? MEDIA EXPLORATIONS Internet Select one assignment to