Types of Evidence
Which type of evidence quickly goes away or can be damaged? Ex: Odors and temperature
Transient evidence
Blood type O is what type of evidence?
class
What is an expert witness?
a specialist or expert in a field of study who gives his/her professional opinion in court room
Who are the first ones on the crime scene and what do they do?
First responders and secure the scene
What must be included in a crime scene sketch?
Legend or key, victim name, location, date, time, true north, dimensions of the perimeter
Locard's Principle
Fingerprints are what type of evidence
Individual
What does an expert witness need to bring with them to court room?
professional opinion and documentation
What must first responders do with the witnesses?
Separate witnesses and interview them
A druggist fold is another name for what we collect trace evidence with
paper bindle
Give 3 types of circumstantial evidence
footprints, fingerprints, blood, DNA, tire tracks
new shoe prints are what type of evidence
class
What happens if you break the chain of custody
Evidence will be inadmissable in court
How many photographs should the photographer take of each piece of evidence?
9
This search method is best used indoors and warehouses
zone/quadrant
When is eyewitness testimony reliable?
When more than one witness has the same statements
Fibers are ........
class evidence
Scenario: An officer breaks open the sealed evidence bag and examines the usb drive inside the bag. He then puts it bag in and seals it back in the original bag. Is this correct chain of custody?
No
Which step occurs after first responders have secured the scene and separated the witnesses.
Scan and See- Take photographs of evidence and markers
What process ensures all evidence is marked and collected
Using a search method
Eyewitness Testimony is what type of evidence?
Direct evidence
What is the difference between class and individual evidence
Class evidence narrows it down to a group of people or things. Individual narrows it back to one person or thing
What must investigators have before they can enter a premises to search for evidence?
Search warrant
What is a disadvantage of the photographs taken at the crime scene
They do not provide actual measurements
How should you package bloody clothes?
Paper bags