The study examined the impact of mass media as instrument for eradicating corruption using AIT as a case study. Without doubt mass media play as very crucial role as the fourth estate of the realm especially in serving as the major watch dog to the people in authority. Mass media especially television has been able to educate, enlighten and inform the general public on the effect of corruption on our national development while mass media have not relented in exposing corrupt leaders, it always pattern with various anti graft agencies such as the EFCC, ICPC and the Nigerian Police to build a corrupt free nation. However, the research is divided into five chapters. The researcher use survey method and questionnaire in carrying out this research. Conclusively, the media are indispensable tool for effective campaign against corruption in Nigeria. Mass media are actually trying their best in ensuring that we live a crime free country through constant anti-corruption programme, expose corrupt leaders and host of others. Mass media houses do partner with the concern anti- corruption agencies to fight corrupting to the root. It is recommended that the Economics and Financial Crime Commission should act within the law that establish it and ascertain complacence with ethics of the profession. And that the broadcasting media and newspaper should be objective in their coverage and reportage of event without political or ethnic influence. It is also recommended that picture and cartoon should be used to authenticate stories and news items. Newspaper should publish news on the activities of EFCC on the front page instead of buried most of their news item in the inside page.