A young mother was gunned down in front of her two children in what police are calling a fit of road rage. 22-year-old Whitney Gray was shot in the chest while driving home from a grocery store in Missouri. Police say 39-year-old Christopher Taylor was seen tailgating her and tried to hit her car on the side. Witnesses told police Gray threw what appeared to be a bottle in front of Taylor's car and the next thing they heard was a gunshot. Paramedics tried to revive Gray, but couldn't.