Sgt. Dale Pounds of the Missouri State Highway Patrol gestures to Deputy Melissa Emerick of the Texas County Sheriff's Department at a Roby crime scene. Authorities said Susan J. Campbell, 56, of Cabool was abducted from the Houston Walmart parking lot by her ex-boyfriend and later killed. The suspect, Kenneth R. Clark, 52, was flown to a St. Louis hospital in critical condition after attempting suicide.