Evidence and Investigation Review for Quiz 1

What observation can be made from the picture?

• The criminal came in through the window

• The criminal knew the victim since there was no sign of forced entry

• The criminal left the tv because it was old

• The pot has a piece broken off of it

Was is an inference based on this picture?

• The man is holding a flashlight

• Crime happened by a fire hydrant

• The blood spot is likely from the criminal

• There is a red substance on the gound and wall

Which of the following is NOT a test done for fabric forensics?

• Weave

• Buoyancy

• Flammabiliy

• Absorbency

Synthetic fabrics are man-made?

• True

• False

What can you infer if you find traces of soil at a crime scene? (Best answer)

• The crime was done in a garden

• The criminal recently went through a garden

• The criminal was recently rollerblading

• The criminal was recently at a park

Tracks can help investigators to?

• Look at the tread of the impression

• Figure out the width of the tire and match it to a vehicle

• To see the wear patterns of certain tires

• All of these

What is the best inference based on this tire tread?

• The vehicle is really big

• The vehicle is really heavy

• The vehincle is smaller in size

• The person doesn't know how to drive properly

What is chromatography?

• A method for analyzing fabrics

• A method for analyzing soil samples

• A method for analyzing tire tracks

• A method for analyzing mixtures

What is the test for the feeling of fabrics?

(a)  

What is the test for how a fabric is interlaced?

(a)