Locard
Types of evidence
whose job?
evidence processing
sketching
100
evidence whose presence can be explained in various manners
circumstantial evidence
200
eyewitness testimony and video surveillance of a person committing a crime is referred to as
direct evidence
200
this person's job is to secure the scene and keep an ongoing log of personnel accessing the scene
first responders
200
breaks in the chain of custody render evidence ______ and inadmissible in court
invalid
300
list 3 examples of trace evidence:
hair, saliva, blood, fingerprints, skin cells, dirt, fibers, etc.
300
despite being created by humans, fingerprints are a type of
physical trace evidence
300
interviews witnesses and utilizes evidence to reconstruct the crime scene
detectives
300
folded piece of paper used to hold trace evidence
paper bindle (only dry evidence in paper bindles)
300
name 3 items that must be present on a crime scene sketch
distance scale, true north (compass heading), legend, location of evidence markers
400
materials that are transferred between two entities in contact are referred to as
trace evidence
400
narrows down the list of suspects to a group of individuals
class evidence
400
collects evidence according protocol, photographs the scene, creates a crime scene sketch
crime scene investigators
400
failing to write the signature of the evidence collector on the sealed edge of evidence packaging would break
chain of custody
400
a permanent, fixed point of reference used for establishing the boundaries of an outdoor crime scene
datum point
500
The 2 parts of Locard's Principle of Exchange?
1) whenever 2 people/entities come into contact with each other a physical transfer occurs
2) the intensity, duration, and nature of the entities in contact determine the extent of transfer
500
list 2 types of individual evidence
fingerprints and DNA
500
Person in charge of issuing a search warrant for evidence
district attorney
500
the evidence must be ____, meaning that it is consistent when retested
reliable
500
1/4" = 1 foot
A student measured a dining room table to be 15 feet; how many inches would that be when drawn on their sketch?
3.75 inches