Her vision went dark. She was facedown, and everything below her chest felt numb. A moment before, two hands had grabbed Emine Yilmaz from behind and slammed her head into a racing E train as she stood on a subway platform in Manhattan.

HUNTSVILLE, Texas -- A Texas man was put to death Wednesday evening for fatally stabbing his girlfriend and her 8-year-old son in 2013, apologizing profusely to her older son who survived with multiple stab wounds and witnessed the execution.