The study examined the impact of mass media as an instrument for eradicating corruption using AIT as a case study. Without a doubt, mass media play as very crucial role as the fourth estate of the realm especially in serving as the major watchdog 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 used a survey method and questionnaire in carrying out this research. Conclusively, the media are an indispensable tool for the effective campaign against corruption in Nigeria. Mass media are actually trying their best in ensuring that we live a crime-free country through the constant anti-corruption programme, expose corrupt leaders and host of others. Mass media houses do partner with the concern anti-corruption agencies to fight corruption to the root. It is recommended that the Economics and Financial Crime Commission should act within the law that establishes it and ascertain complacence with the 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. The newspapers should publish news on the activities of EFCC on the front page instead of buried most of their news item on the inside page.