Legislators held a daylong hearing Wednesday that ended with a surprising twist: a subpoena for Robert Roberson to testify before the committee, issued about 24 hours before he was supposed to be executed by the state of Texas.

Questions remain over what happens next after the execution of a Texas inmate, who was convicted of killing his 2-year-old daughter, was temporarily halted by the state Supreme Court on Thursday. The partial stay came hours before Robert Roberson's death warrant was set to expire at midnight and following a back-and-forth series of legal maneuvers,

Last night, Texas death row inmate Robert Roberson narrowly avoided becoming the first person in the country to be executed based on evidence of what was formerly called "shaken baby syndrome," due to an unprecedented intervention by a bipartisan group of Texas lawmakers.