HUNTSVILLE, Texas — He lived to be 41, a year longer than the woman he murdered. But the court appeals that helped Kosoul Chanthakoummane approach middle age couldn’t forestall his fate any longer.
A Collin County jury condemned Chanthakoummane to death for beating and fatally stabbing Sarah Anne Walker, a real estate agent, during a robbery at a model home in McKinney in 2006.
As his mother, Phongsamout Thongpho, and other witnesses watched Wednesday from a viewing booth, a lethal dose of the sedative pentobarbital flowed into his bloodstream shortly after 6 p.m. Central time, rendering him unconscious before slowing and ultimately stopping his heart.
