Who are typically first to arrive at a crime scene?
What is a police officer?
100
What is testimonial evidence?
What is any oral or written evidence given to police as testimony in court?
100
Which fingerprint pattern is most common in people? Which is least common? What’s the middle one?
What are: Loops, at ~60-70%; Arches, at ~5%; Whorls at ~30%?
100
What are the features of a tire track that an expert would analyze?
What are Tread pattern, width & depth of the tread pattern, wear patterns or defects?
100
How are human hairs different from other animal hairs?
Any reasonable comparison will do.
200
What is the difference between a primary and a secondary crime scene?
Primary is the original location & secondary is an alternate location where evidence might be found.
200
What are some factors that can affect a person’s memory of a crime? Name at least five.
What are the time of day, drugs, age of witness, trauma, familiarity w/crime scene, disguises, unusual looking people, race, etc?
200
Describe two methods that can be used to collect fingerprints.
What are: 2-D: photographed and then dusted w/powder, then lifted w/tape; and 3-D: photographed and then casted?
200
How do police collect tire track evidence?
What is by taking ink prints or castings w/dental plaster?
200
Can you test hair for DNA? If yes, how?
What is Yes; only if it has the root though.
300
What are the seven S’s of Crime Scene Investigation?
What are Secure the scene, Separating the witnesses, Searching for evidence, Securing & collecting evidence, Scanning the scene, Seeing the scene, & Sketching the scene?
300
Who questions the eyewitness & how is the testimony used?
The police detective, and to get more info about what happened and to learn what happened and name possible suspects.
300
What is the super glue method called and what do the fumes attach to?
It’s called Cyanoacrylate Ester and they attach to the oils and moisture in the print.
300
What are the features of tool mark that an expert would analyze?
What are dimensions of impressions, ridges or striations patterns, defects, paint chips?
300
Draw and label a diagram of the three parts of a hair.
What are the medula, the cuticle, and the cortex? (plus, draw them, silly!)
400
What things are done to make the crime scene sketch more accurate? List at least 2.
What are: taking measurements from two or more different points in the room to each piece of evidence, take lots of photos from multiple angles and vantage points, take lots of notes on where everything is and how it is oriented?
400
What are the two main parts of the brain and what do they specialize in?
What is: Left & right hemisphere; left - symbols & language, right - space and shapes?
400
What are the four main types of minutiae points found in fingerprints? Draw and name them each.
What are the delta, bifurcation, ridge ending, and core?
400
Define Impression Evidence.
What is any evidence of objects or materials that have made direct contact with anything enough to leave an impression or mark?
400
What is hair composed of?
What is keratin?
500
Describe two types of sketches taken from a crime scene.
What are: Rough - first quick sketch; and Finished - final sketch with details, proper dimensions, straight lines, etc.
500
Which is the most useful type of evidence to collect, and why?
Trace evidence is most useful because it might have DNA or fingerprints.
500
What is the study of the uniqueness of friction ridge structures?
What is Ridgeology?
500
What might be left in a bite mark that can be tested for DNA?
What is blood or saliva samples?
500
What is physical evidence?
What is any and all objects that can establish if a crime has been committed or can link a crime and its victim?