Criminal Investigation

Introduction

Word crime signifies the individual’s act that is against the law. Every criminal act requires investigation and lawful proceedings to bring peace and justice in the society and to control law in order. Criminal investigation system is a procedure to investigate the crime according to the law and rules in place under the government directives to discourage and extenuating crime. The criminal investigation system is about to detecting those who violate the laws and to put them in the procedure of criminal justice. Government’s prime responsibility is to build a sufficient criminal justice system to secure the lives and wealth of citizens.

Nothing is more important than life. So, life should be protected with a superior justice system. Purpura (1996) says about criminals “There is nothing more painful for me at this stage of my life than to walk down the street and hear footsteps and start to think about robbery and then look around and see it's somebody white and feel relieved.”

Post investigation, criminal justice system

“A criminal justice system is a set of legal and social institutions for enforcing the criminal law in accordance with a defined set of procedural rules and limitations. In the United States, there are separate federal, state, and military criminal justice systems, and each state has separate systems for adults and juveniles” (Frase & Weidner). The procedure of criminal justice system comprise on three major state departments which are law enforcement agencies, courts, jails, Prisons, and Probation.

First department, law enforcement agency is an institute of public administration and maintenance of law in order in the society. Second department, courts are the place where hearing of disputes’ have take place and settlement/justice is determined. And, third department is jail, when court gives a decision about the guiltiness of an accused; the criminals are then transferred to the jail authorities.

What are methods of inquiry and how are they used in criminal investigation?

Nowadays, criminal investigation is quite technological. Forensic investigation is latest investigation techniques and technologies. There are many types of inquiry; one is black or white powder to process a crime scene for fingerprints. The second is evidence collecting through optical instruments. These are the microscope instruments that help to inquire the minutes and micro evidential material. The third one is quite largely used in chemical and analytical investigation.

These analytical instruments were specifically made to enhance the forensic competence and these are useful and helpful. For instance, when a detective involves in a criminal investigation, he/she uses the above said process and equipment to reach to the crime evidence and criminal.

What is the optimal mindset of an investigator and how are the concepts associated with the optimal mindset of an investigator manifest?

The optimal mindset means the inappropriate evidences available at the forensic scene and their inquiry on the scientific means by an investigator. The optimal mindset of an investigator manifest is quite essential to examine the suspect elements and the surroundings by his/her scientific investigation approaches. For instance, if there is a non optimal mind working on the scene, it could result undesirable outcomes. Therefore, optimal mindset at the forensic scene is important to get the exact evidence.

What is the scientific method and how is it applied to criminal investigation by criminal investigators?

The scientific methods are the modern techniques and technologies that are applied to get the exact evidence in a criminal investigation. Currently, in most of the criminal investigation agencies these techniques and technologies are quite common and in use.

Some of the techniques are intelligent mindset that offers a wide spectrum of criminal criteria, and the detective theories that helps to reach to the crime and criminal. Some of the technologies are criminalistics and forensic medicine, and the optical devices and analytic instruments that examine the micro facts of a crime scene. These methods are applied in the process of criminal investigation step by step.

Discuss the three primary sources of information for criminal investigators and provide detailed practical examples of each source listed

The first source of information is checking the evidence at forensic scene. This is the most basic and elementary source of information. The second source of information can be gathered by using the personal intelligence and detective mindset to examine the situation and the evidence. The third source of information is getting help with optical and analytic devices. All three source of information has their own criteria and credentials, and all these are equally important for criminal investigation and criminal investigators.

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