Class vs Individual
not unique to a particular object but place the particular bit of evidence into a group of objects
What is class
Done by the 1st responding police: checking safety of individuals and preserving evidence
what is secure the scene
A location that is in some way related to the crime scene where evidence is found.
what is secondary crime scene
The location where the crime took place
what is primary crime scene
What is the most important means of crime scene documentation?
what is photography
The type of handgun with which a victim is shot
What is class
Determine the primary and secondary crime scenes and decide what to photograph.
what is scan the scene
When 2 objects come into contact with one another, a cross-transfer of material occurs.
what is locards exchange principle
The first police officer to arrive at a crime scene.
what is a first responder
Which individuals are part of the crime scene team?
Police
Crime scene investigators
Medical examiners
Detectives
Specialists
A piece of glass found at a crime scene fits with another piece of glass found in a person’s home
what is individual
A rough sketch and a neater final copy of the crime scene drawn to scale must be made
what is sketch the scene
Small but measurable amounts of physical or biological material found at a crime scene.
What is trace evidence
A multidisciplinary approach in which scientific and legal professionals work together to solve a crime.
what is crime scene investigation
What are the steps to packaging evidence and chain of custody
Bag the evidence
Add identification
Seal it
Sign it across the sealed edge🡪
Sign over to a lab technician
Open bag on non-sealed edge
3.Return items to the evidence bag
Seal evidence bag in another bag
Sign the evidence log
Hair is considered _________ evidence when the follicle is not attached because the follicle is the part that contains DNA. When the follicle is attached, it is considered ____________ evidence.
class, individual
search for evidence is done in what patterns
spiral, grid, linear or quadrant
The documented and unbroken transfer of evidence.
what is chain of custody
A hypothesis of the sequence of events from before the crime was committed through its commission.
what is crime scene reconstruction
3 examples of when lab results do not match up with a crime scene
Staging a fire to cover bankruptcy.
Staging a burglary to collect insurance money.
Staging a suicide to cover a murder.
A piece of glass is identified to have come from a specific vehicle make and model
what is individual
All evidence must be properly packaged, sealed and labeled using specific techniques and procedures.
what is secure the collected evidence
Evidence used to imply fact but not prove it directly.
what is circumstantial evidence
what is the difference between class and individual evidence
class: narrows to group
individual: narrows to suspect or thing
How is handling dry evidence and wet evidence different?
Once in a secure location, wet evidence, whether packaged in plastic or paper, must be removed and allowed to completely air dry. That evidence can then be repackaged in a new, dry paper container