Criminal Investigation Fundamentals

Study Notes

Fundamentals of Criminal Investigation and Intelligence

Criminal Investigation is defined as a systematic examination of some scientific detail or question either by experiment or mathematical treatment
The three aims of Criminal Investigation are: Identify the guilty party, locate the guilty party, and provide evidence of his guilt
Autoptic evidence is evidence addressed to the senses of the court.
Object Evidence is any material object or thing of physical existence which can be perceived by the senses of the court.
Miranda Rights, Miranda Warning or Miranda Doctrine refer to the rights read to a person being interrogated in a crime.
Extra-Judicial Confession is a sworn statement made by a suspect outside of court, acknowledging guilt in a crime.
Cordon off the area and secure the crime scene, Save and Preserve life and provide emergency first aid, Brief the investigator-on-case upon arrival and turnover of the crime scene, Identify possible witnesses and conduct preliminary interviews and ensure their availability for the incoming investigator-on-case are all important procedures for a Police officer to take when arriving at a crime scene
The primary duty of a criminal investigator is to establish the following facts: Corpus delicti or facts that the crime was committed, Method of operation of the perpetrator, and Identity of the accused by the guilty party
Portrait Parle, Rogue’s Gallery, General Photographs, Cartographic Sketch (Composite Artist) and Police Line-up can be used to establish the identity of a suspect in a murder case.
After identifying, collecting and preserving information gathered about the crime, the investigator shall analyze such information.