7 Ss
What is the first step in the 7 Ss of a crime scene and give two details regarding this step.
Secure the crime scene
Provide medical help
Set Boundaries
Any object that establishes a crime has been committed or can link a crime to its victim or perpetrator.
Physical Evidence
The medical dissection and examination of a body in order to determine the cause of death.
Autopsy
Statement of where a suspect was at the time of a crime.
Alibi
The presence of which substance in the blood indicates alcohol consumption?
Ethanol
What is the purpose of the final sketch?
To be used in court
Material that can be related to a single course; individualization always involves a comparison
Individual Evidence
A medical condition that occurs after death and results in the stiffening of muscle mass; the rigidity of the body begins within 24 hours of death and disappears within 36 hours of death.
Rigor Mortis
Person associated with someone suspected of committing a crime.
What is the primary element detected in gunshot residue analysis?
Pb, Ba, Sb
Where should triangulation and rectangular measurements be measured from?
two fixed points
Material that can be associated only with a group of items that share properties or characteristics
Class Evidence
A medical condition occurring after death where blood settles in areas of the body closest to the ground.
Livor Mortis
A list of all the people who came into possession of an item of evidence.
Chain of Custody
What does the term "forensic serology" refer to?
Bodily Fluids
Name two strategies for collecting evidence
Grid
Evidence based on suggestion rather than personal knowledge or observation
Circumstantial Evidence
A process that occurs after death where the body temperature cools until reaching the room temperature.
Algor Mortis
An individual whom the court determines to possess a particular skill or knowledge in a trade/profession that is not expected of the average person. The expert witness will aid a court in determining the truth of a matter at trial.
What is the term for the liquid part of blood that can be analyzed for toxins?
Plasma
What are the four things written on a piece of evidence to follow the chain of custody?
Name of collector
Date of collection
Time of collection
Description of evidence
Evidence providing only a basis for inference about the disputed fact.
Indirect Evidence
The scientific study of the measurements and proportions of the human body.
Anthropometry
The characteristic method of operation of a criminal; sometimes referred to as MO
Which principle states that criminals always bring something into a crime scene and leave with something from it?
Locard's Exchange Principle
Trace Evidence Law
Sherlock's Law
Investigation Principle