article_snippet: Cecil Clayton, from Purdy, will be executed at the state prison in Bonne Terre at 6pm on March 17 for the November 1996 shooting of Barry County Sheriff's Deputy Christopher Castetter.
article_snippet: Facing death: Clayton is scheduled to die in Missouri next week but Clayton are calling for a competency hearing.
article_snippet: Clayton was convicted of the murder in October 1997 and sentenced to death later that year.
article_snippet: Clayton attorneys argued that Clayton was mentally incompetent to stand trial but despite His attorneys appeals, state and federal appeals courts have upheld the conviction and the death penalty.
article_snippet: Clayton lawyers are now seeking a competency hearing to determine whether Clayton understands Clayton death penalty.
article_snippet: But there is no agreement on how much Clayton understands Clayton death penalty or Clayton other options. '
article_snippet: In Missouri, the director of the Department of Corrections is the only one with the authority to order a competency hearing, and last year, Clayton called on a doctor to examine Clayton.
article_snippet: Clayton, who is the state's oldest death row inmate, will be put to death between 6pm on March 17 and 5.59pm on March 18.
article_snippet: Clayton, who is the state's oldest death row inmate will become the second person put to death in the state in 2015, after a record 10 executions in Missouri in 2014.
highlights_snippet: Lawyers for Cecil Clayton are seeking a competency trial to halt Cecil Clayton execution, which is scheduled for March 17 at 6pm .
  
highlights_snippet: Cecil Clayton argue that Cecil Clayton has a low IQ, mental illness and is not competent enough to understand Cecil Clayton death sentence .
  