4.1 CSI Day 1

The man known as the "Father of the Crime Lab":

• Edmund Locard

• Phillip Gravelle

• Juan Vucetich

• Karl Landsteiner

Which principle claims that the perpetrator of a crime will bring something into the crime scene and leave with something from it?

• Locard's Exchange Principle

• Smithback's Theory of Swapping

• Doyle's Principle of Impossibility

• West's Identity Hypothesis

What is the purpose of Crime Scene Investigation?

(a)  

• To document, collect, and secure evidence
• To arrest the suspect

• To clean up after the crime

• To solve the crime

Organize these options into the right categories

Groups:

(a) Direct Evidence

,

(b) Indirect/Circumstantial

• Blood

• Confessions

• Photos

• Broken glass

• DNA

• Shoeprints

• Eyewitness Testimony

• Video Evidence

Evidence that is transferred at a crime scene and often very small is called ​ (a)  

• trace evidence
• Indirect evidence
• Direct evidence
• class evidence

Match the following members of the CSI scene to their role at the crime scene

• Collects and documents evidence

• CSI

• Doctor who finds cause of death

• Specialists

• Called in as needed

• Police Officer

• Interviews witnesses, talk to CSI

• Police Detective

• First to arrive; controls activity

• Medical Examiner

Who is responsible for securing the scene? ​ ​ (a)  

• the first responder
• the detective
• The CSI
• Any specialist on the scene

What is the first priority when arriving at a crime scene? ​ ​ (a)  

• The safety of all individuals at the scene
• Catching the suspect
• Solving the crime
• Gathering all evidence

What is the second priority when arriving at a crime scene? ​ ​ (a)  

• preservation of evidence
• Catching the suspect
• Solving the crime
• The safety of all individuals at the scene

What is important about questioning witnesses at the scene?

• Witnesses should be separated so they don't collaborate

• Witnesses should be questioned together to keep them honest

• Witnesses should help gather evidence.

• Witnesses should be removed from the scene before questioning.