article_snippet: After a final meal of fried chicken, mashed potatoes, corn, green beans and a cola, Cecil Clayton was executed at the correctional center in Bonne Terre at 9.13pm and was pronounced dead at 9.21pm.
article_snippet: Cecil Clayton was executed despite repeated attempts by Cecil Clayton lawyers to spare Cecil Clayton life, claiming Cecil Clayton had an IQ of just 71 after suffering a traumatic brain injury decades before Cecil Clayton killed the officer in 1996.
article_snippet: Put to death: Cecil Clayton, 74, was executed by lethal injection at 9:13 p.m. on Tuesday for the 1996 murder of Deputy Sheriff Christopher Castetter.
article_snippet: Mike O'Connell, spokesman for the Missouri Department of Corrections, said in a statement that Clayton was executed at 9.13pm and pronounced dead at 9:21 p.m. The claim of diminished mental capacity stemmed from a 1972 sawmill accident that Clayton's attorneys argued cost Clayton about eight percent of Clayton brain, including 20 per cent of the frontal lobe portion governing impulse control and judgment.
article_snippet: Combined with Clayton reported IQ of 71 and reading skills of a fourth-grader, Clayton's attorneys insisted psychiatric evaluations over the past decade concluded that the inmate didn't understand the significance of the inmate scheduled execution or the reasons for it, making the inmate ineligible to be put to death under state and federal law.
article_snippet: The lethal injection, Cecil Clayton's attorneys said, was 'sure or very likely to cause excruciating or tortuous pain and needless suffering' in light of Clayton's brother dementia. '
article_snippet: If Missouri proceeds with Missouri scheduled execution of Cecil Clayton, Missouri will be conducting an unregulated experiment on a human subject, as there are no studies that support (the prison system's) use of Missouri's lethal injection protocol on an individual suffering from severe brain damage,' the appeals on Cecil Clayton's behalf argued.
article_snippet: Dr. James Reynolds of the Missouri Department of Mental Health had concluded that Cecil Clayton was mentally ill, but could not be certain that Dr. James Reynolds of the Missouri Department of Mental Health didn't understand Dr. James Reynolds of the Missouri Department of Mental Health death sentence.
article_snippet: Cecil Clayton was put to death at the state prison in Bonne Terre, pictured, on Tuesday night .
highlights_snippet: Cecil Clayton was executed by lethal injection at 9.13pm on Tuesday for the 1996 murder of Deputy Sheriff Christopher Castetter .
  