Questions from Crime and Investigation

Q: What was Francis Galton’s principal contribution to forensic science?

What was Francis Galton’s principal contribution to forensic science?

Q: How did Calvin Goddard advance the science of firearms examination?

How did Calvin Goddard advance the science of firearms examination?

Q: What is Locard’s exchange principle?

What is Locard’s exchange principle?

Q: An individual who has been using a drug for an extended period

An individual who has been using a drug for an extended period of time suddenly finds himself unable to secure more of the drug. He acts nervous and irritable and is hyperactive. He seems almost despe...

Q: Following are descriptions of behavior that are characteristic among users of certain

Following are descriptions of behavior that are characteristic among users of certain classes of drugs. For each description, indicate the class of drug (narcotics, stimulants, and so on) for which th...

Q: Following are descriptions of four hypothetical drugs. According to the Controlled

Following are descriptions of four hypothetical drugs. According to the Controlled Substances Act, under which drug schedule would each substance be classified? a. This drug has a high potential for p...

Q: A police officer stops a motorist who is driving erratically and notices

A police officer stops a motorist who is driving erratically and notices a bag of white powder on the front seat of the car that he suspects contains heroin. The officer brings the bag to you, a foren...

Q: The following figure shows a chromatogram of a known mixture of barbiturates

The following figure shows a chromatogram of a known mixture of barbiturates. Based on this figure, answer the following questions: a. What barbiturate detected by the chromatogram had the longest ret...

Q: Evidence Processing at the Crime Laboratory You are the evidence technician at

Evidence Processing at the Crime Laboratory You are the evidence technician at the front desk of the state crime lab. You receive the following items of evidence to check in on a very busy day. You mu...

Q: When investigating a potential warehouse for storing illegal drugs, the police

When investigating a potential warehouse for storing illegal drugs, the police collected a variety of drugs. The drugs were tested with presumptive color tests for determining their possible identity....