Scientific Method & Observations
Forensic Science Disciplines
The 3 S's!
Recording the Crime Scene
Types of Evidence

100

Observe, Hypothesis, Test, Evaluate, Conclude
What are the steps of the scientific method?

100

The application of scientific disciplines to collect and analyze evidence for use in the legal system
What is Forensic Science

100

Giving medical assistance, blocking off the area, and excluding unauthorized personnel
What are the first steps to securing the crime scene

100

This contains the artist name, location of the crime scene, case #, time of day, etc.
What is the title block

100

The two main categories or types of evidence
What are direct and indirect

200

An Educated Guess
What is a hypothesis?

200

The sub-discipline of forensic science that deals with examining the flight, behavior, and effects of projectiles
What is ballistics

200

takes an indirect path to the crime scene, and identifies the exit and entrance of a criminal during this...
What is the walk-through

200

Gives a description for any symbols used on a sketch.
What is the legend.

200

This type of evidence implies fact, but does not truly prove that the event or fact happened.
What is circumstantial evidence

300

The type of gum, based on the idea that (the average circumference depends on the type of gum)
What is the independent variable?

300

The sub-discipline of forensic science that deals with identifying and studying toxic substances and poison
What is forensic toxicology

300

The area of the crime scene immediately around the body etc...
What is the primary scene

300

measures 2 distances to an object that make a right angle
What is the rectangular method

300

Examples include: blood, semen, saliva
What is biological evidence

400

Group composition, attitude, sleep level, emotional state
What are factors that influence eye-witness observations

400

The properly handling, examination, and evaluation of dental evidence.
What is forensic odontology or forensic dentistry

400

A separate crime scene that became important because of criminal activities that occurred after the initial crime.
What is the secondary scene

400

measures the distance of the object from 2 fixed points of known distance apart to form a triangle
What is the triangulation method

400

The list of all people who came into possession of an item of evidence
What is chain of custody

500

A reason that eye-witness accounts are unreliable
What is time lapse, biases, prejudice etc

500

The system of measuring humans developed by Bertillon.
What is anthropometry

500

The search method employed by two or more people who perform overlapping line searches from a grid.
What is the grid search pattern.

500

baseline method: draw a ‘base line’ between 2 fixed points and then draw line perpendicular from evidence to baseline (useful for outdoor scenes)
What is the baseline method

500

“with contact between two items, there will be an exchange”
What is Locard's exchange principle