Recording Scene
Your Photographs should be _____?
Linked (from general to specific)
A list of all people who came into possession of in item of evidence
Chain Of Custody
S.T.A.I.R means
Situation
Task
Analyzed
Investigation
Results
One Point =
Two measurments
Forceps & similar tools are used to what ?
Picking up small items
Three Types of Photographs are ?
1. Overall
2. Mid-range
3. Close-up (With or without Scale)
A precise rendering of the crime scene, usually to scale
Final Sketch
R.E.S.P.O.N.D means
Respond
Evaluate
Secure
Protect
Observe
Notify
Document
When measuring you should always use ____
Metric
How do you package trace evidence?
Unbreakable pill bottles with pressure lids
Notes, Attendance Log, Narrative, Sketch, Evidence Log, Photographs with log and Reports are all apart of what ?
Documentation
Buccal Swab
What are the two basic search approaches ?
1. Cautious
2. Vigorous
Placing an Item you need ?
4 points = 8 measurements
What must be done with wet/blood soaked exhibits ?
Must be Dried before packaging
The Preliminary Investigation Consists of ?
Notes, Photo/video, and Sketch
A draft representation of all essential information and measurements at a crime scene. This sketch is drawn at the crime-scene.
Rough Sketch
The Forensic Technicians Duties are ? (3)
1. Responding to a crime scene to document the scene
2. Identify, collect, preserve, continuity and transport evidence to the crime lab
3. Follow up activities
To locate and item you need what ?
Two points
Charred debris is contained in ?
Paint cans or sealed jars
5 types of search patterns used for surveying the crime scene ?
1. Strip or line
2. Grid
3. Spiral (in or Out)
4. Wheel or ray
5. Quadrant or Zone
Physical Evidence whose origin is known, such as fibers or hair from a suspect, that can be compared to crime-scene Evidence.
Standard/reference sample
3 most common errors in an investigation ?
1. Failing to Identify and collect all relevant evidence.
2. Failing to analyze the evidence to ID and have reasonable grounds to seize it.
3. Failing to have an open mind and focus on one suspect or theory and ignoring evidence.
What is the most common measuring method used for recording a crime scene ?
Baseline method
Investigators must handle evidence in away so that doesn't _____ the evidence?
Alter