Criminal Investigation Unit 5 Assignment Final Sharon Miller
Criminal Investigation Unit 5 Assignment
Methods of Inquiry
Methods of inquiry or the techniques that an investigator uses to gather information for a case, has multiple approaches. These methods focus on gathering observable, empirical and measureable evidence. Examples of the methods of inquiry utilized in criminal investigation would be collecting evidence, interviewing witnesses and searching electronic databases. The methods of inquiry are all used to reconstruct the crime scene and determine the who, what, when, where, why and how of a crime scene.
Inductive reasoning is simply starting with a limited number of observations and increase that number by generalizing. In this scenario the investigator would utilize observation and characteristics of an individual or crime scene to develop a hypothesis. This allows the investigator to develop a theory in a small amount of time which could be critical in cases that may involve a terrorist or a serial killer.
Deductive reasoning would start with a large group of possibilities and get reduced to a smaller pool upon which the investigator draws a conclusion. An investigator would use this type of inquiry to eliminate suspects. For example, there are four possible suspects— the boyfriend, the girlfriend, the business partner, and the widow. The victim died in the bed but was moved to the car in the garage. The widow and the girlfriend could not have lifted the body, the boyfriend could not have lifted him either because he had no arms. For that reason, the business partner must have killed the victim. Synthesis, another method of inquiry, is to combine different types of evidence to create a more accurate account to lead to a conclusion. An example of this could be how the case file is prepared for the prosecutor, so they would see the value of the case: a graphic that explains the case, a summary of the case with all the important parties, an inventory of