Sign up for The Brief, The Texas Tribune’s daily newsletter that keeps readers up to speed on the most essential Texas news. The Texas Court of Criminal Appeals denied one of death row inmate Robert Roberson’s final appeals on Friday, declining to halt his Oct. 17 execution and again rejecting his long-standing claim of innocence and argument that his conviction was based on a now-debunked shaken baby syndrome diagnosis. Roberson, who was convicted of capital murder in 2003 for the death of his ailing 2-year-old daughter, Nikki Curtis, has maintained his innocence over 20 years on death row.