Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
38 Cards in this Set
- Front
- Back
How do you pursue a career in Crime Scene Investigation |
Go to college and get a degree in Forensic Investigation |
|
What is an evidence log and what are the rules for the evidence log? |
Evidence logs are to keep track of who and when evidence was touched. The rule is that everyone must sign their name who came in contact with it |
|
What is indirect evidence? |
Also called circumstantial evidence is evidence used to imply a fact but not prove it directly like a weapon found at the scene |
|
What is the goal of the crime scene? |
to isolate the evidence and made sure that no evidence is tampered with |
|
What is trace evidence |
small but measurable amounts of evidence |
|
What is class evidence? |
material that narrows an identity to a group of persons or things |
|
What makes up the CSI team? |
First responders, sketch artists, photographers, investigators Police officer Crime scene investigator Medical examiner Specialists |
|
What are medical examiners also called? |
Coroners |
|
Who secures the crime scene |
First responders |
|
A folded paper used to hold trace evidence is a? |
bindle |
|
The location where the crime took place? |
Crime sceme |
|
The documented and unbroken transfer of evidence is a? |
Chain of custody |
|
A location other than the primary crime scene, but in some ways related to the crime, where evidence is found? |
Secondary crime scene |
|
What are different way to look for evidence in a crime scene area? |
grid, liner, quadrant, zone, spiral? |
|
crime scene investigation is to...? |
reorganize, document and collect eveidence at the scene of the crime |
|
Locards exchange principle states |
when a person comes into contact with an object or another person a cross-transfer of physical evidence can occur |
|
The second part of Locards principle state that |
the intensity, duration, and nature of the materials in contact determine the extent of the transfer. |
|
Evidence can be classifed into two types what are they? |
Direct evidence and circumstantial evidence |
|
Circumstantial evidence can be either _________________ or __________________ in nature |
physical or biological |
|
Some examples of physical evidence include |
fingerprints, footprints, tire marks, bullets, and shell casings |
|
Some examples of biological evidence |
body fluids, hair, plant parts and natural fibers |
|
Trace evidence is a type of this kind of evidence? |
circumstantial |
|
Individual evidence |
narrows down an identity to a single person or thing |
|
Who's responsibility is it to secure the scene? |
FIrst responders |
|
List the steps for packaging evidence |
a. placement of evidence b. allow evidence to dry c. place dried evidence on bindle paper d. fold bindle tuck the top flap into the bottom e. secure bindle in labeled evidence bag using stick on label f. place evidence in a plastic bag with an inserted evidence label g. seal and tape and edge of the baggie h. write the collectors signature across the baggie's taped edge |
|
What should you not do with wet evidence and why? |
You should never place it in a plastic container while wet because the DNA will degenerate and may become moldy and useless |
|
What does a forensic lab do? |
Processes all of the evidence the crime scene investigators collected to try to determine the facts of the case. |
|
Crime scene reconstruction involves what? |
forming a hypothesis of the sequence of events from before the crime was committed through it;s commission. The evidence is examined and compared with witness statements to determine the reliability of their accounts. |
|
Evidence must be properly____________, _________________ and _______________ so that the chain of |
handled, collected and labeled |
|
A crime scene investigation consists of _____________, __________________, and _________________ evidence from a crime scene. |
reorganizing, documenting and collecting |
|
First responders do what 3 things |
1. identify the extent of the crime scene including primary and secondary scenes 2. secure the scene 3. segregate the witnesses |
|
After walking through the crime scene and identifying evidence the crime scene investigators document the scene by_____________________ and __________________ |
taking photographs and preparing sketches of the scene |
|
A crime scene sketch should include |
a scale of distance date and location of the crime scene a north heading direction on the diagram |
|
Blood type is considered to be class evidence. Although it may not specifically identify the suspect, explain how it still could be useful in helping to investigate in a crime. |
Class evidence narrows an identity to a group of persons or things. Knowing ABO blood type of a sample of blood from a crime scene tells the investigators that one of many persons with that blood type may have been there. It also allows them to exclude everyone with a different blood type. |
|
The recorder at the crime scene needs to work with all of the police personnel at the crime scene. What type of information would the recorder need to obtain from each of the following persons? first responder officer |
The recorder would need to get the following information date time location and name of collector for all evidence that was found by completing an Evidence Summary Sheet for each piece of evidence recovered Weather conditions available light unusual odors and other environmental conditions at the crime scene. The security log of all those who visit the crime scene A description of how the crime scene was secured |
|
The recorder at the crime scene needs to work with all of the police personnel at the crime scene. What type of information would the recorder need to obtain from each of the following persons?
Photographer |
Names and descriptiopns of photographs taken of any victims and suspects Photos of the crime scene noting the four points of the compass, the entrance and exit points, any damage, etc Photographs of evidence taken with and without a ruler |
|
The recorder at the crime scene needs to work with all of the police personnel at the crime scene. What type of information would the recorder need to obtain from each of the following persons?
Sketch Artist |
Both the rough sketch that was made at the scene and the computer generated sketch that is made later |
|
The recorder at the crime scene needs to work with all of the police personnel at the crime scene. What type of information would the recorder need to obtain from each of the following persons?
Evidence collection team |
Search pattern in the crime scene All properly handled, bindled and packaged items that are considered evidence |