Tuesday, Sept. 27, 2022 at 9 p.m. on KPBS TV + Thursday, Sept. 29 at 9 p.m. on KPBS 2. See how the discovery of lost photographs sparks the search for a hero that history forgot: Maria Moreno, an eloquent migrant mother of 12 who became an outspoken leader for farmworker rights. Her legacy was buried – until now.