Death row inmate Robert Roberson is once again the subject of last-minute maneuvering as his scheduled testimony before a bipartisan group of Texas legislators Monday is shrouded in uncertainty just hours before it’s set to begin.

Robert Roberson was set to be the first person executed for a shaken baby death, but after an unorthodox move by Texas lawmakers, that's not the case.

Robert Roberson, who had been set to be the first person in the U.S. to be put to death for a murder conviction tied to a diagnosis of shaken baby syndrome, had his execution delayed after a dramatic few hours of legal wrangling among three different Texas courts.