On October 3, 2006, a four-year-old boy named Andrew Burd died in a Corpus Christi hospital. The cause of death was determined to be salt poisoning, an extremely unusual occurrence. Even more shocking was what happened next: his foster mother, Hannah Overton, was found guilty of killing him. But could she really have done what the prosecutors say?
January 1, 2012 | by Pamela Colloff | Longreads