A whistleblower is suing Governor Jared Polis, because Polis told him he needed to hand over information about unaccompanied immigrant children to federal officials. Then, the group of walkers in Boulder who were attacked in a firebombing are back, and bigger than ever. Plus, fish in some popular Colorado fishing and swimming spots are exposed to forever chemicals, known as PFAS.This episode of Colorado Today is hosted by Arlo Pérez Esquivel and Bazi Kanani. It’s edited and produced by Mateo Schimpf. The executive producer is Rachel Estabrook. Theme music by Pedro Lumbraño.Email us at coloradotoday@cpr.org.Colorado Today is supported by CPR’s members.Read more on the stories in today’s show: CPR’s Megan Verlee and the Colorado Capitol News Alliance report on the whistleblower lawsuit against Gov. Jared Polis. CPR’s Tony Gorman, Kiara DeMare and Rachel Estabrook report on the return of Run for Their Lives walkers in Boulder a week after the firebomb attack. The state health department warns against consuming fish in some popular Colorado water spots.