Crime Scenes and Evidence Review

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

• trace evidence
• individual evidence
• class evidence

Tags

NGSS.MS-LS4-2

material that can be related to a single source

• individual evidence
• control evidence
• trace evidence

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

Blood-stained materials should be store in what type of container

• paper bags
• air-tight new paint can
• mason jar with a lid
• plastic bag with a seal

"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 

It is important to separate witnesses at a crime scene in order to 

• prevent contamination of evidence
• prevent them from talking and forming a collusion
• prevent them from leaving the scene

The first officer arriving at a crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), should immediately:

• photograph the scene.

• search for evidence.

• make a rough sketch of the scene.

• secure the scene.

small but measurable amounts of physical or biological material found at a crime scene

• individual evidence

• class evidence

• direct evidence

• trace evidence

A crime scene sketch is a required part of an investigation.

• True

• False

All evidence must be collected in glass test tubes.

• True

• False