Crime Scene Steps
What is the first step in a crime scene investigation?
Secure the scene.
What type of evidence includes objects found at a crime scene?
Physical evidence
DNA, hair, and body fluids are examples of what type of
evidence?
Biological evidence.
What is the purpose of securing a crime scene?
To prevent contamination, protect evidence, and keep people safe.
What does CTE acronym stand for?
Career Technical Education
What are two ways that investigators can document a crime scene?
Photographs, sketches, and written
notes.
A detective finds a strand of hair at a crime scene. What type of evidence is hair?
Biological evidence
Investigators find fibers and soil at a crime scene. What type of evidence are these?
Trace evidence
You are a news reporter arriving near a crime scene. You see yellow crime scene tape. What does the tape tell you?
Took keep out. The scene is being secured.
What does CTSO acronym stand for?
Career Technical Student Organization
Put these two steps in the correct order: Collecting Evidence and Documenting the Scene. Explain why.
Document the scene before collecting evidence. Documentation should come first so investigators have a record of the scene as originally found.
What is the difference between physical evidence and trace evidence?
Trace evidence is usually smaller/ a piece of something. Physical evidence can be any size.
A piece of a shirt: Trace evidence
A shirt: Physical evidence
However, trace evidence can be physical evidence.
An investigator finds a strand of hair, a bloodstain, and a piece of glass. Classify each piece of evidence.
Hair = biological; blood = biological; glass = physical/trace evidence.
Why is it important to prevent outside people at a crime scene?
To prevent evidence from being altered, destroyed, moved, or contaminated.
What's the goal of CTE classes in middle school?
To introduce students to careers and pathways offered in high school.
What is reporting and analysis?
Create reports for the legal system
Sand particles are found inside someone's shoe. What type of evidence is this?
Trace evidence
A detective carefully places a stained shirt into an evidence bag, labels it, and records where it was found.
Collecting evidence
A detective walks into a crime scene without gloves and accidentally touches several objects. What is the issue with this?
They could leave their DNA
Name 2 CTE pathways offered in Durham Public high school.
What are the 5 steps in the crime scene investigation?
1. Securing the Scene
2. Documenting the Scene
3. Collecting Evidence
4. Processing Evidence
5. Reporting and Analysis
A cell phone is found at a crime scene. What type of evidence is it, and what information might it contain?
Digital evidence. It could contain messages, photographs, emails, location information, or other data.
Investigators have finished examining the evidence. They organize their findings and explain what the evidence suggests happened at the crime scene.
What stage of the investigation is this, and what is the purpose of this stage?
Reporting and Analysis
Bonus
Bonus
Name one CTSO that students can join.