Processing a crime scene

Question 1

What is the first step in securing the crime scene?

Answer 1

• Supporting anybody who’s injured
• Minimising risks at the scene
• Securing the site with a barrier
• Ensuring the body isn’t touched until examined
• Collecting names and contact info of potential witnesses

These steps are crucial for preserving evidence and ensuring safety at the crime scene.

Question 2

How long can a thorough search of a crime scene take?

Answer 2

Several hours to several days

The duration depends on the size and complexity of the area being searched.

Question 3

What do CSI’s wear before starting work at a crime scene?

Answer 3

Special overalls and shoes

This is to avoid leaving any traces at the scene.

Question 4

What must be collected quickly at a crime scene due to their perishable nature?

Answer 4

• Footprints
• Tyre prints

These pieces of evidence can be lost to bad weather or accidental damage.

Question 5

Who is responsible for removing bodies to the morgue for a post-mortem examination?

Answer 5

Crime scene investigators (CSI’s)

This occurs only after all evidence is collected.

Question 6

Name the key roles involved at a crime scene when a major crime has been committed.

Answer 6

• Senior detective
• Police surgeon
• Crime scene investigators (CSI’s)
• Police photographer

Each role has specific responsibilities in the investigation process.

Question 7

What is the main difference between a senior detective and a CSI?

Answer 7

• CSI looks at forensic evidence
• Detectives take evidence and make suspects

Both roles are essential in serious crime investigations.

Question 8

What does a police photographer do at a crime scene?

Answer 8

• Takes pictures or videos of victims and body positions
• Photographs wounds or medical features
• Helps record evidence for court

These images can reveal evidence not initially noticed by detectives.

Question 9

What is included in photos to help record the size of an object?

Answer 9

A ruler marked with suitable scale

This helps provide context for the evidence captured in the images.

Question 10

What can photos taken from a witness’s perspective provide?

Answer 10

Useful context for evaluating the witness statement

They can show what the witness saw during the incident.

Question 11

What do police draughtsmen do at a crime scene?

Answer 11

• Sketch plans of the site
• Record positions of doors, windows, and furniture
• Measure distances, heights, and angles
• Document positions of bloodstains, weapons, and evidence

These sketches provide vital information for the investigation.