ABSTRACT
This research work focuses on corruption and insecurity in Nigeria a fight against it with particular reference to economic and financial crime commission. The specific objective of this study is to identify the main causes of corruption and insecurity in Nigeria, examine the weakness of EFCC in fighting corruption in Nigeria and as well make recommendation that will help in dealing with such problem. With these objective, the research proceeded to use primary data collected via questionnaires and secondary data collected, through internet, books etc, to conduct the study. In the course of the study, the researcher made use of 200 sample size out of 400 population using Yaro Yamani’s formular to get the sample size. The data collected were analysed using simple percentage method and tables. In the course of carrying out this research, the research discovered some of the causes of corruption and insecurity in Nigeria, they include, greedy, tribalism and nepotism and equally lack of supervision of EFCC by the Federal Government. And equally made recommendations that would help in tackling the problems.