Observations and Crime Scenes

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

• detectives
• specialists
• district attorney
• police officers

People found working the crime scene include which of the following

• Police officers and detectives

• District Attorney

• Specialists

• all of the above

Refers to small evidence like hairs of fibers

• physical evidence
• trace evidence
• suspect
• witness

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

• trace evidence

• individual evidence

• class evidence

Tags

NGSS.HS-LS2-8

Material that can be related to a single source

• individual evidence

• control evidence

• trace evidence

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

• prevent contamination of evidence

• prevent them from talking and having memory affected

• prevent them from leaving the scene

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

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 to

• 1 fixed point

• 2 fixed points

• 3 fixed points

• the door or window

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

• South
• East
• West
• North

"With contact between two items, there can be an exchange of material." This is known as _____

• physical evdience

• Locard's exchange principle

• Forensic exchange principle

• the law of forensics