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
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
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 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. Forensic investigators are required to visit crime scenes and conduct interviews with witnesses. What
personal attributes and interpersonal skills may be required for this type of work? Explain.
A forensic investigator must have a sturdy constitution a
Body Farm <- your lab link
Click on the link to listen to the podcast interview of Dr. Bill Bass, founder of the Body Farm.
1. When Dr. Bass works cases, either cold cases or ongoing investigation, what is his role in the
His role is that o
1. What is the NIBIN?
The NIBN stands for the National Integrated Ballistic Identification Network which was created in
1999 by the FBI and the ATF. The NIBN is a network that provides law enforcement agencies access to
images and informa
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
Toorale Man Murder Mystery <- your lab link
1. How was the Toorale Man found?
In 2012 Badger Bates found the skull in the Toorale National Park.
2. What did archaeologists learn about the burial? Why is the burial important?
The archaeologist learned that
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
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
1. What is liver mortis? How might this reveal information about the time of death?
Liver mortis is when the heart stops beating and pumping blood through the body and the blood
accumulates and pools in whatever part of the body is closes
The Art of Crime Detection <- your lab link
1. What do the left and rights sides of the brain do? Which side of the brain does a police sketch artist
use when creating a suspect sketch?
The left brain sees and interprets the world as symbols and language.
1. What is physical evidence? Provide at least three examples in your answer.
Physical evidence is any anything that can establish a crime has happened and anything that links the
crime and the criminal this includes weapons, fibers, and
Texas Servant Girl Murders <- your lab link
1. Describe the crimes that the History Detectives are investigating in the video.
1885 servant girl murders. Eight people were killed, some in the middle of the night, all killed with an
axe. Perhaps the first
1. What are the three types of fingerprints found in the human population? How often does each
The three type of fingerprints are loops, whorls, and arches. About 60 to 65 percent of the population
has loop fingerprints. About 30 t
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
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