Exam 1 Flashcards
(23 cards)
What is the difference between forensic science and criminalistics?
What is the chain of custody?
What are common types of physical evidence encountered at crime scenes?
What is the role of a forensic pathologist?
What is an autopsy?
What are the common causes of death?
What is the role of the forensic entomologist in death investigation?
What is the role of the forensic anthropologist in death investigation?
How is physical evidence analyzed and presented in the courtroom by forensic scientists?
What measures are taken upon arrival at a crime scene? (as a first responder)
- Acquiring medical assistance for injured victims
- detaining any potential suspects or witnesses
- securing the crime scene to the greatest extent possible
- statements are taken from victims, witnesses, and suspects.
- Call for additional personnel, such as other officers and/or forensic investigators.
What are the proper techniques for packaging common types of physical evidence?
What role does the expert witness play?
As an expert witness, one can provide opinions based on specialized knowledge, training, and experience.
What is testimonial evidence?
Evidence in the form of statements from the victim(s) or witness(es).
What is physical evidence?
Tangible evidence (can touch) such as fibers, biological material, hairs, or latent fingerprints.
Types of crime scenes
outdoor
indoor
conveyance (Something that serves as a means of transportation)
What measures are taken while securing, recording, and searching a crime scene?
- The lead investigator will determine the boundaries of the scene and establish the perpetrator’s possible path of entry and exit.
The crime scene must be secured with crime scene tape, ropes, or cones.
Line/Strip search pattern
One or two investigators start at the boundary of the crime scene and search in straight lines across to the other side of the crime scene
Grid search pattern
Two or more investigators form a grid by searching in-line patterns that overlap and are perpendicular to each other
Spiral search pattern
One investigator searches in a spiral path from the center of the crime scene to the boundary (outward) or from the boundary of the crime scene to the center (inward)
Wheel/Ray search patter
Several investigators search in straight lines from the center to the boundary (outward) or from the boundary to the center (inward)
Quadrant/Zone search pattern
The crime scene is divided into smaller sections (zones). One or more investigators are assigned to search each zone.
