Crime Scene Basics Exam Review

1. What is forensic science?

• When scientists improve plants by using DNA

• Any legal action that requires a police investigation

• The use of science in growing trees

• When science is used for the purposes of the law

2. The main job of a crime scene investigator is to ....

• interview witnesses

• Objectively identify, collect and document evidence

• determine the manner of death of a victim

• conduct laboratory tests including gel electrophoresis

Forensic scientists...

• analyze evidence

• testify in court

• both analyze and testify

• none of these

Which of the following is a benefit of the "CSI effect"?

• More people entering the field

• Juries are calling for more forensic evidence

• People are found innocent due to lack of forensic evidence

• Juries use scientific words that have no bearings on trial

True or False: Locard's Exchange Principle states that objects in motion will stay in motion

• True

• False

Which of the following can be used to identify a suspect?

• Fingerprints

• DNA Evidence

• Eye Witness Account

• All of these

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

• detectives

• CSIs

• police officers

• medical examiners

Evidence can provide

• proof that a crime has been committed

• exonerate the innocent

• establish key elements of a crime

• all of the above

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

• photograph the scene

• make a rough sketch of the scene

• search for evidence

• secure the scene

Which of the following is a correct physical evidence collection procedure

• Every item collected should be secured individually in a plastic bag to prevent contamination

• All items collected from the same grid area should be packaged together

• Bloodstained garments should be packaged separately in paper bags to dry

• All victim's clothing should be recycled