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

the first responding police officer should keep a record of anyone who enters or leave the crime scene.  This is called

• chain of command
• evidence log
• security log

In a crime scene sketch, there should always be an arrow to show which way is

• South
• East
• West
• North

In a crime scene sketch, to show where a dead body or weapon is located, one should measure and draw the distance from the evidence

• 1 a movable landmark
• 2 immovable landmarks
• 3 the body

when securing a crime scene the two most important factors are to

• scan the scene, separate the witnesses
• safety of individuals, separate the witnesses
• see the scene, preserving evidence
• safety of individual, preserving evidence

What are the four patterns to search for evidence

• spiral, round, linear, quadrant
• grid, round, linear, zone
• spiral, grid, quadrant, no pattern
• spiral, grid, linear, quadrant

The original location of a crime or accident. 

• Primary
• Secondary 
• Original 
• Jail

An alternate location where additional evidence has been found.

• Secondary crime scene
• Primary crime scene
• Physical location 
• Suspected location 

Any physical location in which a crime has occurred or is suspected of having occurred. 

• Crime Scene
• Primary Location 
• Secondary Location 
• Alibi 

Define the "Locard's Principle."

• the scientific examination of evidence in a criminal investigation
• states that criminals always take a trace of something with them or leave a trace of something behind at the scene of the crime
• a type of evidence
• the person who runs the Locard School