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46 Cards in this Set
- Front
- Back
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is a crime scene primary or secondary source |
primary |
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what is a person associated with committed a crime |
Accomplice |
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what is an alibi |
a statement of where a suspect was at the time of a crime |
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what is testimonial evidence |
it could include oral or written statements given to police as Wellers testimony in court by people who witnessed an event. |
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what type of evidence is materials found at the scene or on a victim |
physical |
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what is trace evidence |
evidence that is found at a crime scene in small, but measurable amounts |
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what will evidence collected at a scene do for the investigation? |
may prove a crime had been committed link a suspect with a scene or victim exonerate the innocent |
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who arrives first to a crime scene? |
police |
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what does the CSI unit do |
Documents, the crime scene in detail and collect any physical evidence |
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who is often present to help determine if any research warrants are required to proceed |
district attorneys |
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when are medical examiners used and what do they do |
if there is a homicide, they are there to determine preliminary cause of death |
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what do detectives do |
Interview witnesses, consult with the CSI unit, investigate the crime by following leads provided by witnesses and physical evidence |
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what steps will investigate a follow to analyse a document a crime |
Interview, examine, document, process |
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what factors affect a persons memory, and their ability to identify suspect |
age- race use of drugs memory |
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what crime scene, and suspect factors affect a persons memory, and their ability to identify suspect |
trauma- time- looks- time of day and familiarity |
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whag is FACES |
A software program that offers many options to help you create a persons facial features |
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what type of evidence does the FBI considered to be the most valuable? |
DNA |
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Who recognised the value of Trace forensic evidence? |
edmund Locard in 1910 |
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examples of Paint evidence |
class characteristic: chips or residue and where it came from individual characteristic: colour, layers |
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what are three characteristics of glass, I could be used to match glass from a crime scene to a suspect |
colour, thickness, density |
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how do scientist match bombs and other explosive devices to suspects? |
Chemical composition, Tracy is found on a person, materials in it, and in a suspects possession |
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what does GSR stand for |
Gunshot residue |
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what is rifling |
The grooves in a Gunbarrell, which match a weapon |
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What does the acronym IBIS mean? |
Integrated, ballistics identification system |
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How could dust or dirt be used in an investigation? |
Where a person has travelled, for example, pollen, chemical composition |
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3 main types of fingerprints |
arches, loops, whorls |
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what does the acronym AFIS stand for? |
Automated fingerprint identification system |
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3 examples of impression evidence |
Shoe, prints, tire, tracks, bite marks |
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What are fracture lines? |
When an object is broken |
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What is is an example of a type of evidence that might be identified using a fraction match |
Weapons |
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What information can be learned from wound |
Weapon used, size of weapon, characteristics of a suspect, left-handed, or right-handed, height |
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besides handwriting, what else could investigate are used to match a ransom note to a suspect |
Type of paper, pen, ink |
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What type of insects are helpful in a murder investigation |
Flies, Beatles, maggots |
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What does the acronym PMI stand for? |
The time between death and the discovery of the body |
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what does the acronym? CODIS mean? |
Combined DNA index system |
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What types of tissues might be used for DNA |
hair , fingernails, bones |
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what is the universal donor |
type O |
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what is the universal donor |
type O |
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who is the universal recipient |
type AB |
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what is the universal donor |
type O |
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who is the universal recipient |
type AB |
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A person with our H plus blood may receive that is |
positive or negative |
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what is the universal donor |
type O |
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who is the universal recipient |
type AB |
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A person with our H plus blood may receive that is |
positive or negative |
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what type of blood canon are H negative person receive |
Rh- |
