Crime Scene & Evidence 3 Flashcards
What is Approach?
Proper mental State,
Looking for suspicious activity,
Light and sound discipline,
Focus all around
What is Position?
Positioning for officer safety,
Approach to safeguard evidence,
Areas of greatest evidence
What is Control?
Secure the scene efficiently and safely as possible,
Crowds, spectators/media, Barrier tape,
Vehicles to block roadway
What are the two most important things when arriving on scene?
Personal Safety
Crime scene integrity
What is the difference between cover and concealment?
Cover- is a physical barrier,
Concealment- is hiding from view
What is the difference between contact officer and cover officer?
Contact- provides the ‘direct point of contact’, Cover- observes the surroundings for signs of danger
What rule takes priority over evidence preservation?
Lifesaving
What is the proper levels of contamination?
Police,
Fire,
EMS
The search and collection of evidence should only take place after?
The threat or danger is eliminated
When is a warrantless search lawful?
Emergency situation/ exigent circumstances
What could happen to evidence if you enter a building illegally?
Evidence seized will be for nothing. When in doubt, GET A WARRANT
What is needed for a legal search?
Search warrant,
Arrest warrant,
Address to suspects residence,
Reasonable belief that the subject is there,
Consent
Immediate warrantless entry is authorized only when?
To protect life and safety,
To arrest a fugitive,
To preserve evidence being destroyed
What is the definition of a crime scene?
Physical location of crime,
Place where potential evidence is,
Starting point of an investigation
What are the two types of crime scenes?
Primary crime scenes- site of original activities, Secondary crime scenes- any subsequent scene
What are the crime scene types?
Indoors,
Outdoors,
Conveyances (Vehicles),
Victim/Suspect
True or False; No detail is insignificant…
True
What is probation value?
Proving or demonstrating something; affording proof or evidence
How to take a photograph of a bodily injury?
Full body,
Full Body part,
Specific area w scale,
Specific area w/o scale
Types of Evidence that you will encounter?
Prints,
Blood/Bodily Fluid,
Trace Evidence,
Footwear Impressions,
Tire Impressions,
Transient Victim Injuries,
Weapons
What is the value of physical evidence?
Can prove a crime happened or not,
Place the suspect in contact w victim,
Identity of persons associated w crime, Corroborate victims testimony,
Cause suspects to make admissions or confess, More reliable than eye witness,
Assist in MO,
Exonerate the innocent
Physical Evidence is only useful when?
Protected, Collected, and Submitted.
What is Modus Operandi (MO)?
Characteristics that give an investigator insight of behavioral aspects of the perpetrator.
What are the layers of a crime scene?
Crime scene,
First Level Containment,
Secondary Containment,
Perimeter containment
