7 Steps of Crime Scene Investigation

Typically the first to arrive at a crime scene and they secure the scene

• detectives
• specialists
• district attorney
• police officers

Evidence can

• provide proof that a crime has been committed

• establish key elements of a crime
• exonerate the innocent
• all of the above

In order for an officer to figure out what actually happened, it is common practice to

• speak with the witnesses in a group setting

• speak with the witnesses individually

• only speak with the witnesses who have pertinent information

A written record of all people who have had possession of an item of evidence.

• Chain of Custody

• Trace Evidence

• Locard exchange

The first person on the scene

• Medical examiner

• CSI investigator

• First Responder

This person documents the crime scene and collect physical evidence

• Crime Scene investigator

• First responder

• Specialist

Sometimes this person is also the medical examiner

• Specialist

• Coroner

• Detectives

This person looks for leads and interviews the witness

• Detective

• Medical examiner

• First responder

These people are called upon for their expertise, an example would be forensic scientist like entomologist.

• Medical Examiner

• Specialist

• Coroner

Who is responsible for securing the scene of the crime?

• first responding officer

• forensic scientist

• medical examiners

• EMT