WICHITA, Kan. -- Dr. George Tiller, a Kansas man who became one of the most famous figures in the national debate over abortion, was shot and killed at his church Sunday morning, KAKE-TV reported. Tiller was walking into Reformation Lutheran Church at 10:03 a.m., when he was shot. Tiller was pronounced dead when emergency crews arrived, the station reported. Police were looking for a blue Ford Taurus with a K-State vanity plate, license number 225 BAB. Police described him as a white male in his 50's or 60's, 6'1," 220 lbs, wearing a white shirt and dark pants.