Category: Dateline

Earlier this year, prominent Atlanta attorney Tex McIver was found guilty of murdering his wife, Diane McIver, with a single gunshot from the backseat of the car in which the couple was riding on their way home one confusing September night. Despite the verdict, the trial that ended in a life sentence for the 75-year-old Tex ultimately raised more questions than it answered. So what happened to Diane McIver -- a hugely successful and wealthy member of Atlanta's business elite -- and was her death really a murder?

32-year-old Robin Spielbauer was a mother of two, a divorcée -- and, largely unbeknownst to her, involved in a love triangle that would eventually culminate with her murder along a quiet stretch of road in Amarillo, Texas. The investigation into the "Helium Road murder" -- or "The Pink Gun Mystery," as the Dateline episode devoted to the Robin Spielbauer Amarillo murder case calls it -- quickly focused on that love triangle, but spent two years looking at the wrong participant.