Crime Scene Investigation Review

What is the first step in the 7 S's of crime scene investigation?

• Sketch the scene

• Secure the scene

• Search for evidence

• Separate the witnesses

Why is it important to separate the witnesses during a crime scene investigation?

• To protect them from contamination

• To prevent them from discussing the crime and altering their statements

• To help them identify suspects

• To avoid spreading false information to the media

Which of the following is NOT part of the "7 S's" of crime scene investigation?

• Securing the scene

• Searching for clues

• Surveying the area

• Sketching the scene

Which of the following is the best example of direct evidence?

• A fingerprint found at the crime scene

• A security video showing the crime taking place

• A witness stating they saw the suspect leaving the area

• DNA evidence on a weapon

Which of the following is an example of circumstantial evidence?

• A suspect's confession

• An eyewitness testimony

• A bloodstain matching the suspect’s blood type found near the scene

• A victim identifying the suspect

Direct evidence:

• Provides indirect clues that require inference

• Directly proves a fact without needing interpretation

• Is always more reliable than circumstantial evidence

• Must come from physical objects

What distinguishes circumstantial evidence from direct evidence?

• Circumstantial evidence always comes from physical objects

• Direct evidence requires inference, while circumstantial evidence does not

• Circumstantial evidence suggests a fact through inference, while direct evidence supports a fact without inference

• Circumstantial evidence is only allowed in civil cases, not criminal cases

What is the purpose of maintaining a chain of custody during a crime scene investigation?

• To ensure that only police officers are allowed to handle the evidence

• To document the handling of evidence to prevent contamination and tampering

• To arrest the suspect as quickly as possible

• To transport witnesses safely to the police station

Which of the following is an example of biological evidence that might be collected at a crime scene?

• Fingerprints

• Hair strands

• Gunshot residue

• Broken glass

The Frye Standard determines the admissibility of scientific evidence based on:

• Whether the evidence is reliable

• Whether the evidence has been tested by peer-reviewed journals

• Whether the scientific method used is generally accepted by the relevant scientific community

• Whether the expert witness has a recognized degree

Tags

NGSS.HS-PS4-4