Describe the handling of witnesses and evidence.

Assignment Details:
A crime scene investigator has located a witness at a crime scene, but he/she is uncooperative. The investigator strongly believes that this witness is fearful of something and is uncooperative.
Describe the handling of witnesses and evidence.
What would you as the investigator do to elicit the cooperation of this witness and collect evidence for the case?
Be sure to reference all sources using APA style. For more information on APA, please visit the APASTYLE Lab.
This assignment will also be assessed using additional criteria provided here.