Every federal agency has an office of the inspector general (OIG) embedded within it as per the Inspector General Act of 1978. Currently, there are almost 50,000 OIG reports out there; they have all been collected at this site where you can sort by date, agency or key terms. This is an up-to-date enterprise; the latest OIG report here is dated June 30, 2016. So when you hear about OIG reports on the news, odds are it is in this database.
Database of Inspector General Reports