Follow the Money: 3 Steps to Covering Campaign Finance
The federal candidates in your coverage area have to file campaign finance reports with the Federal Election Commission. That means you can keep track of how much money their campaigns both spend and receive.
The next big campaign finance deadline is Oct. 15, and in the meantime, you can access OpenSecrets.org for analyzed and simplified information on the latest filings. They also allow you to track the contributions to political action committees.