Chapter 14, Problem 5Q

Interpretation Introduction

Interpretation:

Three possible sources of contamination of a crime scene by the first responders have to be listed.

Concept Introduction:

Forensics: The study of evidence discovered at a crime scene and used in court law.

Forensics sciences: This branch of scientific knowledge and methodology to the legal problems and criminal investigations. It is encompasses many different files of sciences (chemistry, biology, engineering, medicine and pathology).

DNA finger printing: This technique used to distinguish between individuals of the same species using only samples of their DNA.

Example: A murder victim is found. The forensics team retrieved a blood sample from the crime scene. They prepared DNA fingerprints of the blood sample, the victim and a suspect as fallows.