Steps in Criminal Investigation

Topics: Police, Crime, Criminal procedure Pages: 7 (2230 words) Published: June 27, 2013
Criminal Investigation

The Criminal Procedure and Investigation
Principles of Investigation
Shawntee Allen
Liberty University Online

CJUS 420
Professor Ryan Zuidema
May 6, 2013


An individual studying in criminal investigation needs to know and understand the four main principles dealing with Criminal Investigation. Knowing when and how to apply the principles is also important. The Principles start with the methods of inquiry, two is the mindset of the investigator and how to prepare yourself, three is the scientific methods, and four knowing the four primary sources of information and how to obtain them. Criminal investigation governs the investigation crimes altogether and throughout this paper I will be discussing the process in criminal procedures; taking an in depth look at what investigators do from start to finish; and using an example scenario to give a general breakdown. Criminal investigation sets the stage for everything, from finding who committed the crime why they committed, where crime occurred and when crime occurred. Many of us can go back to grade school and remember our teachers telling us to write a book report answering the who, what, when, where how and why questions from the book and explaining the plot. Let’s look at criminal investigation as being that way. Criminal investigation is important in the justice field because it brings criminals who commit these crimes to justice and gives rest to the family of the victim.

The Process
A criminal investigation is a mystery that needs to be solved and is up to law enforcement officials to solve once it has been established that a crime has been committed.


Once it has been established that a crime has been committed the next step is to begin the investigation of the crime; as mentioned before this is where the who, what, when, where, why and how come into play. In a criminal investigation, the investigator has questions they must ask themselves and others to prepare for how they will handle the investigation. Let’s start with the crime: Lisa is at home watching television and begins to get really tired, when she gets up to turn the television off and prepare herself for bed she hears a knock at the door (around 9:30pm. Lisa goes to the door and opens the door as soon as she opens it the person standing at the door pushes their way into the house drags Lisa to the bedroom, and then proceeds to rape Lisa. While this is going on Lisa is fighting her attacker off as best as she can but the attacker gets the best of Lisa continues to rape her then shoots Lisa. As Lisa lies there on her bed dying the rapist runs out the front door and drops a lighter that he is unaware of with a pack of cigarettes on the ground; all the while the neighbor turns their lights. Police officers are called out to the crime scene where they discover the body of Lisa on the bed in a pool of blood and her clothes ripped off. At this point a crime has been committed and now investigators are called in to go over the crime scene. The investigator will be one who specializes in the investigations of homicides. When going through the process of an investigation for a homicide the goal is to find out who


committed the crime and once the suspect has been identified then the why the crime was committed.

Studying the Crime Scene
Now the investigator does his walkthrough of the crime scene all while the victim (Lisa) is still lying on the bed in blood and her clothes are still ripped from her body. First thing the investigator is speculating after walking through the house is that if Lisa’s clothes were ripped from her body and the position she was in on the bed is that there was some type of sexual encounter with the victim. Once he gathers evidence from the body he has the...

References: ACPO Centrex (2006), The Murder Investigation Manual 3rd ed. Bedfordshire; Centrex
Brown, Michael F, Criminal Investigation: Law and Practice . 2nd Butterworth-Heinemann, 2001
Kirk PL, Crime Investigation, ed. 2. New York, NY: John Wiley and Sons 1974
Ostenburg, JW. The Crime Laboratory ; ed 2. New York, NY; Clark Boardman CO., 1982
Ruble, Raymond S.; Round up the usual suspects; Criminal Investigator in law & order
Williams, R. (2004) The Management of Crime Scene Examination in relation to the
Investigation of burglary and Vehicle crime, 2004
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