Unit One: Text Questions
1. What is forensic science?
Forensic science is the application of science to the criminal justice system. Forensic science is any
science that is used for the purposes of the criminal justice system.
2. What thr
How do forensic scientists analyze tool marks found at a crime scene?
Begin with the first steps and end with collection or storage for
transport to the lab.
1. photographs of the tool marks are one of the first steps. Close-up
photographs with the right
1. What is DNA? Where is it found?
DNA is the basic building block of our genetic makeup. It has two strands in the shape of a double
helix. We can find DNA in a range of places in our bodies, such as blood, skin cells, tissues, muscles,
1. How are fire scenes different than regular crime scenes for investigators?
Fire scenes are different than regular crime scenes because the individual responsible for the crime
will not be at the crime site when the crime is discovered
1. What are the four types of evidence in a criminal investigation?
The four types of evidence are physical evidence, documentary evidence, demonstrative evidence
2. What are individual characteristics? Give an example of a
The Secret in the Cellar <- your first lab link
1. Describe the case that the forensic anthropologists and others discover. Why do they suspect that
it may be murder?
The forensic anthropologist are excavating a house cellar from the 17th century. While e
Eye of the Donkey <- your first lab link
1. What does the PCR do?
PCR is a method by which a few fragments of DNA can be duplicated into millions in a couple of hours.
2. Why is PCR helpful to forensic scientists?
PCR is a very useful method in forensic s
Flashover <- your first lab link
1. What was Willingham charged with? What happened to Willingham?
Willingham was charged and executed for setting a 1991 fire that killed his three daughters.
2. Why did investigators believe that an accelerant had been us
1. Law Enforcement professionals have created strict procedures by which evidence at a crime
scene is collected, stored and analyzed. Discuss the importance of appropriate evidence collection
If the evidence is not properly collected and pre