Explain what criminalistics is and the basis for their actions.

Criminalistics is the professional and scientific discipline directed to the recognition, identification, individualization, and evaluation of physical evidence by application of the natural sciences in matters of law and science. Criminalistics includes the identification of physical evidence and findings as to its origin. Criminalistics is one of many divisions in the field of forensic science. <Tab/> The crime laboratory in which physical evidence obtained by the police in the course of …

…been found to be less susceptible to investigative examination than telephone conversations. The most common cipher in use by criminals is a simple substitution cipher in which a symbol, letter, or digit stands for another symbol, letter or digit. <Tab/><Tab/><Tab/><Tab/><Tab/> Criminal Investigations, A Basic Perspective by Paul Weston, and Charles Lushbaugh.