DESIGN AND IMPLEMENTATION OF COMPUTER BASED POLICE INVESTIGATION SYSTEM
CHAPTER ONE
INTRODUCTION
Information Technology (IT) has set a new world order turning the world into a global village, where information plays an indispensable role.
The Federal Investigation and Intelligence Bureau (FIIB), is a special outfit of the Nigeria police force, as a role similar to that of the FBI (Federal Bureau of intelligence) of the united states (US) information they say is an indispensable force, and if we should go by this maxim, it buttresses the need at which classified information is to this outfit.
Over the years, this outfit had made tremendous impact in combating crime, but in recent times, there has been an avalanche of crime wave in the country leading to insecurity of life and properties close investigation concerning crime activities reveals that this special outfit of the police force is bedeviled with obsolete equipment.
Despite the glint strides taken by this outfit over the years changing their investigation and recording equipment to tape storage using cassette as recorder, there are still a lot of surmountable problems which has hitherto, reduced the efficiency Bureau, Ogbor-Hill, Aba and other division of the outfit through out Nigeria. The panacea to this may no doubt; lie in the introduction of a properly designed computer base system which will bring the much-desired automation hence, a prerequisite for being a member of the new world order vis-à-vis information technology.
The statutory duty of the federal investigation and intelligence Bureau (FIIB) is crime prevention and intelligence network which is solely based on information. This information received from conducted investigation, which should be supplied to the Bureau within minutes using electron communication. But this takes days or weeks and sometimes months if the investigation is carried in a distant area. The storage medium currently at disposal for information is susceptible to unauthorized access and damage. Most often, the recorded information is usually not within the reach when needed. Going by this high level of graft in the country, officers can easily remove: recorded information of a very serious crime activity by mere bribe offer. In view of the above problems w3hich have attracted the author’s attention, he has unequivocally, decided to design a computer base system which will correct this abnormalities.
1.2 PURPOSE OF THE STUDY
Having been aware of the numerous anomalies which have reduced the efficiency of the Nigeria police force (NPF), the purpose of this research is focused on designing an developing a computerized based or approach to information storage and retrievals against the manual approach, as it affects the (FIIB) federal intelligence investigation Bureau), and the Nigeria police in general.
- To show case the merits of a computerized system in police investigation and intelligence.
- To upgrade the information network system of the Nigeria police force
- To enhance speedy and reliable information retrieval in crime records.
- To identify areas where computers can be used in detective work.
- To investigate the possibilities of using the computer to analyse and compare substance taken from the scene of crime.
- To establish the possibilities of using the computer in crime mapping – A situation where data concerning crimes that have been committed in a certain area is fed into a computer and then, the computer produces a map that shows whether it is any pattern to the crime.
1.4 SCOPE OF THE STUDY
This research work is limited to the federal investigation and intelligence Bureau (FIIB) Ogbor-Hill Aba, Abia state although this outfit has just been moved to Calabar, Cross River State. The choice of investigation and intelligence was chosen due to the fact that there are certain information, which are not meant for public consumption.
1.6 DEFINITION OF TERMS
Information: This is a meaningful processed data, which provides an individual knowledge needful in decision making.
DATA: It is a collection of raw facts, figured charts or symbols that represent idea, object or situation which need to processed to given a real meaning program: a set of instruction logically sequenced that instructs the computer on what actions to take to arrive at a result.
INVESTIGATION: It is simply a fact finding and fact recording concerning a particular issue or event. It can be obtained through interview, question and observation.
CASE-FILE: This is a paper file used in keeping records on case matters.
FILE: A collection of records that are related, to which the user can attach a name.
INTELLIGENT REPORT: It is a report written and recorded about a witnessed event which can serve as evidence.
EVIDENCE: Material or information on which a conclusion or proof may be based.
SURVEILLANCE: An operation carried out by operatives in a remote area in the city or an area.
OPERATIVES: Officers of federal investigation and intelligence Bureau.
TIP-OFF: Useful hint conveyed to the special outfit by some one
SUSPECT: Someone presumed guilty of discredit with out conclusive proof.
INFORMATION TECHNOLOGY: It is the technology which supports activities involving the creation, storage, manipulation and communication of information together with their related methods, management and application.
Management information system: the combination of human and computer based resources that result in the collection storage, retrieval, communication and use of data for the purpose of efficient management of operations and for business planning.
Data Bank (information Service): electronic shore-house of information accessed by using a microcomputer, modem and telephone.
Download: To transfer information electronically from a databank or a computer to another computer.
Expert system: computer system characterize by a very large database, the ability to ask question, and set of rules that allow it to use its data to arrive at conclusion.
COMPUTER: It is an electromechanical device capable of generating, storing and retrieving information at a fantastic speed and accuracy.
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