A Texas judge has ruled to uphold the execution of a father convicted of killing his two-year-old daughter — despite a growing number of voices, including the detective who helped send him to death row,

Robert Roberson of Texas is scheduled to die by lethal injection despite doubts over shaken baby syndrome, the scientific theory used to convict him in the death of his daughter.

A Texas man who this week could be the first person in the U.S. executed for a murder conviction tied to the diagnosis of shaken baby syndrome is awaiting a decision on his request for clemency from a