On Wednesday, prosecutors will announce the first criminal charges related to the contaminated drinking water and subsequent outbreak of Legionnaires’ disease that killed 12 people in Flint, Michigan, the Detroit Free Press reports.

Move over, other prominent and respected cartoonists whose names I can’t quite recall at this moment, because there’s a new top dog in town: Iain MacIntyre, a 10-year-old from Flint who traveled to Washington, D.C. to watch his governor Rick Snyder testify before Congress today.

Emails obtained by the Detroit News reveal that top aides to Michigan Governor Rick Snyder were issuing warnings over the water quality in Flint as far back as October 2014—a year before the city switched out its own contaminated water supply and reconnected to Detroit’s.