Rollins, Barbara

Describes the types and features of fingerprints and discusses the techniques used to take, develop, save, and compare fingerprints in order to solve crimes.

Describes how blood analysis is used to solve crimes, including the tests performed by lab technizians on samples to determine blood type and other characteristics, and finding, saving and interpreting blood evidence.

Describes the science of ballistics, including the types of weapons and ammunition used in crimes, clues guns and bullets leave behind, techniques used by ballistics experts, and how ballistics evidence is used to solve crimes.