Questions from Crime and Investigation

Q: Beard hairs are coarse and normally ________ in cross-section.

Beard hairs are coarse and normally ________ in cross-section. A) Ribbon-like B) Oval C) Triangular D) Round 12) A human hair in cross-section appeared flat in shape. The racial origin was most l...

Q: What is SICAR and how is it useful in comparing impressions?

What is SICAR and how is it useful in comparing impressions?

Q: Name and briefly describe two popular approaches for collecting gunshot residue from

Name and briefly describe two popular approaches for collecting gunshot residue from a suspect’s hands. What is the logical next step in analysis for these collected samples?

Q: Name one possible class characteristic and one possible individual characteristic that on

Name one possible class characteristic and one possible individual characteristic that on a bullet, a tool mark, and a footwear impression.

Q: A storefront window is broken and a robbery committed. A suspect

A storefront window is broken and a robbery committed. A suspect is later found running from the scene. Examination of his shoes reveals glass particles embedded in a heel. Describe the proper collect...

Q: Describe the process of floatation and explain what it is used for

Describe the process of floatation and explain what it is used for.

Q: What physical properties are used most often to characterize glass particles?

What physical properties are used most often to characterize glass particles? What is the main drawback of using these properties to characterize glass?

Q: What two models do scientists use to explain the nature of light

What two models do scientists use to explain the nature of light? Under what conditions does each model best describe the behavior of light?

Q: A criminalist is attempting to find the side of a glass pane

A criminalist is attempting to find the side of a glass pane from which a shattering force originated. How can that be determined when examining a fragment from a radial crack? A concentric crack?

Q: What is a physical property? What is a chemical property?

What is a physical property? What is a chemical property? Name one physical and chemical property of water.