Here are some sites to view examples of corruption or to keep up to date with corruption cases
Corruption.news – aggregated news articles about corruption
Brasscheck TV – videos about government corruption
Anti-corruption Digest – news articles about corruption. Has regional corruption news for different parts of the World as well as a government policy section.
Anti-corruption Digest Latin America – Latin America corruption news
Kenya Corruption Tracker – Many examples of corruption to be found here