Collection and preservation of evidence Flashcards
What indicators are placed on contaminated evidence stored in the property and evidence facility?
Biohazard warning indicators
What is the first step in the overall evaluation of a crime scene?
Attempt to determine what took place
What should be done upon arrival at a crime scene according to the notes?
Take notes of observations
What is included in the photographs of the entire crime scene?
All evidence located
When is a second photograph of evidence taken with a scale?
When determined applicable by the FSU employee
How should fingerprints be marked for identification by FSU employees?
Identified by recording date, time, location, and employee initials
How should latent lifts retained for filing be numbered and labeled?
Sequentially numbered and total recorded on outside of filing envelope
What details should a crime scene sketch include?
Detailed measurements and items at exact locations
How should evidence from a crime scene be marked for later identification in court?
Marked with case number, location, date, time, and officer’s initials
How should blood-soaked or wet items be handled before packaging?
Allowed to air dry before packaging
What should be done if previously sealed evidence has to be reopened for inspection?
Open at a new spot, reseal, and mark time, date, and officer’s initials on new seal
How should blood and liquid evidence be kept and packaged?
Kept in liquid state and packaged in glass or plastic containers
What should be filled out for all weapons found at crime scenes?
A weapons investigation report
How should weapons be handled at crime scenes to preserve evidence?
Handled carefully to avoid damaging fingerprints
What is the scale size for drawing a crime scene sketch?
No smaller than ¼ inch = 1 foot
What is the purpose of the policy on collection and preservation of evidence?
To establish guidelines and procedures for evidence collection and preservation.
What unit within the Lexington Police Department is responsible for collecting and preserving evidence?
The Forensic Services Unit (FSU).
What are the primary responsibilities of FSU employees according to the policy?
Being available 24/7 for crime scenes, processing traffic collisions, and having evidentiary control.
Who has the primary responsibility for protecting a crime scene until relieved?
The first arriving officer.
When can FSU assistance be requested at an incident scene?
After assessing the scene and deeming FSU assistance necessary.
Under what circumstances will FSU process routine larcenies from autos (LFA’s)?
If linked to multiple LFAs, related to a higher priority crime, or involving unique items.
What areas of training are FSU employees specifically trained in?
Lifting and comparing latent fingerprints, photographing crime scenes, blood evidence, and DNA processing.