Blow flies often arrive to dead bodies within ______. (Time)
Minutes
100
Superior officers, witnesses, and the media are allowed to be present at a crime scene. True or False?
False.
200
Each individual has different DNA. True or False?
False
200
Which direction does an ulnar loop and radial loop face?
Radial loops face towards the thumb and ulnar loops face towards the pinky
200
What is postmortem interval (PMI)?
The time between someone actually died until their body was found
200
Where do flies usually lay their eggs on a body?
Body wounds or orifices
200
What is a chain of custody?
List of names of people or information of who had the evidence
300
What are the four nitrogen bases called and which pair together?
Thymine with Adenine, and Guanine with Cytosine
300
Fingerprint skin is called _____ or _____ .
Friction skin or ridge skin
300
What are the three types of mortis called and what do they mean?
Algor mortis: Cooling of the body
Rigor mortis: Stiffening of the body
Livor mortis: Blood sinking to the lowest placed parts of the body
300
What is the complete life cycle of flies?
Egg, pupa, larva, adult
300
What should you do if there is a victim at the crime scene?
Seek medical attention for them right away to see if they are fine
400
What does the Polymerase Chain Reaction do?
It is a method used to make multiple copies of a specific segment of DNA
400
How many arches does this individual have?
DO2361XOTT19PO59PO08
One arch
400
What is the difference between an electrocardiograph (ECG) and an electroencephalography (EEG)?
ECG: Measuring activities of the heart
EEG: Measuring electrical activities of the brain
400
How can flies help determine if someone was shot?
They feed on the bullet wound making the hole more visible.
400
What type of search pattern should be used for a large area over the ocean to possibly search for a missing airplane?
A Zone
500
What does CODIS stand for?
Combined DNA Index System
500
How early are fingerprints formed?
At about 17 months old
500
Full rigor is complete in how many hours after death?
12 hours
500
Most insects used in investigations are diptera ______ and coleoptera _____.
Flies and beetles
500
What are the seven S’s? (The steps to do at a crime scene).
1. Secure the scene
2. Separate the witnesses
3. Scan the scene
4. See the scene
5. Sketch
6. Search for evidence
7. Secure and bag evidence (Bag and tag)