The Colonia Cluster — A wave of rare and aggressive cancers sweeps through former students and staff of Colonia High School, igniting one of the most unsettling public-health mysteries. — As families, scientists, and environmental experts piece together fragments of a decades-old puzzle, they collide with bureaucratic resistance, conflicting science, and the haunting possibility that something buried beneath the school has poisoned generations. — Colonia friends and former students — If you or a