Robert Roberson is set to be executed by the state of Texas, but the "shaken baby syndrome" that got him convicted of murder is based on dubious science. Barring an unlikely intervention from an appeals court or the governor, Texas will execute Robert Roberson on Thursday. Roberson was convicted in 2002 of killing his 2 -year-old daughter in most part because of a diagnosis of shaken baby syndrome (SBS), which posits that only intensely vigorous shaking can produce three particular symptoms in