Terry Langford  Terry Allen Langford (May 18, 1966 – February 24, 1998) was an American executed by lethal injection in Montana. Terry Langford was convicted of murdering a couple, Ned and Celene Blackwood, in Ovando, Montana on July 5, 1988. He was sentenced to death for this crime on January 26, 1989. While on death row in Montana State Prison, Langford killed a fellow inmate during a riot on September 22, 1991. Langford was born in Lebanon, Kentucky. At 31 years old, he was the youngest inmate put to death since the death penalty was reinstated in Montana in 1976.