Crime Scene Investigation and Evidence Collection

The ability to establish the exact whereabouts of an item of evidence and under whose control it was from its collection at the crime scene to its presentation in the courtroom and everywhere in between is called

• chain of command

• record of evidence

• chain of custody

With contact between two items, there will be an exchange. This is known as _____

• physical evdience

• Locard's exchange principle

• Forensic exchange principle

• the law of forensics 

Processing a crime scene involves:

• only collecting evidence and taking pictures

• Collecting evidence, sketching the scene, taking pictures, interviewing suspects, and examining the scene

• only examining the scene and interviewing witnesses

• only sketching the scene and taking pictures

material that connects an individual or thing to a group that share similar characteristics

• trace evidence

• individual evidence

• class evidence

Tags

NGSS.HS-LS4-2

material that can be related to a single source

• individual evidence

• control evidence

• trace evidence

Correct collection of evidence requires which of the following?

• documenting the location where the evidence was found

• correct packaging of evidence

• maintaining proper chain of custody

• all of the above

Chain of custody must be maintained

• so that the evidence does not have to be examined again.

• or the evidence may not be admitted into court

• only by the first officer on the scene

• only by the forensic scientist who examines the evidence

• all of these are true

Indirect evidence that can be used to imply a fact but dos not directly prove it

• Outdated evidence

• Circumstantial evidence

• Direct evidence

• Irrelevant evidence

During what crime scene investigation step is the crime scene isolated and taped off?

• Scan the scene

• Secure the scene

• Secure and collect

• Search the scene

What is the primary purpose of securing a crime scene during an investigation?

• To prevent contamination of evidence

• To allow public access for transparency

• To ensure media coverage

• To facilitate the arrival of emergency services