A Texas appeals court denied a stay of execution today for Robert Roberson, a death row inmate who is scheduled on October 17 to become the first person in the U.S. to be executed based on disputed “shaken baby syndrome” evidence. The Texas Court of Criminal Appeals, which is the court of last resort for all criminal matters in the state, dismissed Roberson’s latest and final petition for a writ of habeas corpus and stay of execution in his long-running capital case. Roberson was convicted in 2003 of murdering his two-year-old daughter. Roberson claimed that his daughter fell out of bed in the…