What was Locard's exchange principle?
Every contact leaves a trace.
Where was the first crime lab in the world? (Double points: who established it?)
Leon, France
Locard
What search type has the area searched twice perpendicularly?
Grid
Explain how to preserve and collect a bloody sock.
(Double points for the correct PPE and hazards mentioned)
Wearing gloves, face shield, and clothing cover to protect from disease, dry it first and then put in a paper evidence bag.
Using the pink scenario create the chain of custody for the shell casings. (*logging evidence counts)
3 names
Park--> Oretaga--> Patel
What was Bertillon known for in forensics?
Anthropometry, measuring the body for identification
Where was the first US crime lab?
Los Angeles, California
What search pattern would you use for smaller circular areas?
Wheel or ray
Explain how to preserve and collect a kerosine (flammable liquid) covered carpet fragment.
(Double points for the correct PPE and hazards mentioned)
Wearing gloves, respirator or mask to protect from toxic fumes, put in an airtight metal can.
Using the purple scenario create the chain of custody for the shoeprint.
2 or 3 names
Cho or Morales --> Park
What is Orfila known for in forensics?
Father of toxicology, created testing for arsenic
What is the FBI fingerprint database called?
AFIS or NGI
What type of search has searchers walking parallel to each other?
Line or strip
Explain how to preserve and collect fingernail scrapings.
(Double points for the correct PPE and hazards mentioned)
Wearing gloves, face shield and scrape onto a druggist folded paper
Using the neon green scenario create the chain of custody for the bags of crystals.
2 names
Patel--> Dr. Moreno
What is Goddard known for in forensics?
Used a comparison microscope to compare bullets to guns for ballistics matches
Where was the first FBI crime lab and training center?
Quantico, Virginia
What type of search is BEST for multiple rooms of a building?
Zone or quadrant
Explain how to preserve and collect fingerprint from a door handle.
Dust for prints and pull with tape
Using the yellow scenario create the chain of custody for the blood.
3 names
Hale and Reynolds--> Dr. Brooks
DNA fingerprinting, which is the unique code for an individual
What are 2 ways officers identified suspects BEFORE DNA?
(Double points if you explain WHY at least one was flawed.)
anthropometry (time consuming and changes)
fingerprinting (great if you have them)
blood typing (tells you little info)
witness statements (super unreliable)
Officers are walking in a corn field searching in parallel. What type of search are they performing?
Line or strip
Explain how to preserve and collect outside evidence from bad weather.
Collect as quickly as possible or cover with a temporary shelter.
Using the minty green scenario create the chain of custody for the bank transfer receipt.
2 names
Ruiz--> Dr. Brooks