Lomi Kriel | The Texas Tribune and ProPublica

Texas officials acknowledged some errors after they stripped Medicaid coverage from more than 2 million people, most of them children. A ProPublica and Texas Tribune review of records shows that these mistakes and others were preventable.

Audio obtained by The Texas Tribune and ProPublica shows just how long police and dispatchers likely knew that children and teachers were in danger before taking action at Robb Elementary School.