Investigation Process
Solving a crime is often like solving a ___________.
What is a puzzle?
This is how they collect evidence in large areas that can't be removed from the crime scene.
What is a vacuum?
This is an agreement between prosecution and defense to avoid going to trial.
What is a plea deal?
When witnesses work together to create an alternate story.
What is collusion?
Prints are biological evidence. True or False.
These are the three steps, in order, to securing the crime scene.
-No Threat
-Medical Assistance
-Set Boundaries
This is why wet evidence must be placed in a nonairtight container.
What is mold, mildew, and bacterial growth.
This is the purpose of the arraignment.
What is officially stating all charges?
This professional determines the cause of death.
What is a medical examiner?
In one word, this can differentiate direct and circumstantial evidence.
What are inferences?
I killed someone in my house, drove them to the river where I dumped them.
List the primary and secondary crime scenes.
primary- house
secondary- car, river
In one word, this is why control samples are taken.
In one word, this is the type of evidence it is for.
What is compare to unknown samples?
What is unknown evidence?
This amendment protects us if we are accused of a crime.
What is the 6th amendment?
We would use this to identify and document trace evidence at a crime scene?
What is oblique lighting?
I find a preston high school shirt at the crime scene. Classify as the following:
Direct or Circumstantial
Biological or Physical
Class or Individual
Real or Demonstrative
Known or Unknown
Circumstantial
Physical
Class
Real
Unknown
List the seven steps of crime scene investigation in order.
-Secure Scene
-Separate
-Scan
-Shoot
-Sketch
-Search
-Secure Evidence
This is the difference between the chain of custody and a crime scene log.
One documents who handles the evidence (COC) one documents who enters and exits the crime scene (CSL).
What are all the different pathways of jury deliberation followed to the end.
innocent- acquittal
guilty-convicted-sentencing- possible appeal
hung jury- retrial
Draw and label the four different search methods.
see slides.
Give a hypothetical example of known evidence and unknown evidence you might find at a crime scene.
Answers vary
List 5 of the 8 pieces of information that should be included in every sketch (beside what is in the sketch itself).
•Doors/Windows (Show direction door swings with curve)
•Address/Location
•Case Number
•Date and Time
•Artist Name
•A key
•Compass
•Scale used.
Draw the diagram that represents Locard's Exchange Principle.
See slides.
What is the difference between a preliminary hearing and a grand jury?
One is done by the judge and the other is done by citizens.
Any tangible evidence generated by criminal activity.
What is real evidence?
List five examples of direct evidence
•Eyewitness Accounts
•Police Reports
•Video Surveillance
•Voice Recordings
•Text Messages
•Ransom Notes
•Reports