USA TODAY Investigative Reporter Nick Penzenstadler explains how reporters fought for months to obtain ICE records and what they uncovered inside an "agitator" tracking system. He also breaks down why the findings are fueling new questions about protest surveillance and government transparency.Let us know what you think of this episode by sending an email to [email protected]. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.