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Autopsy underway after botched Okla. execution

Published April 30, 2014 11:00 am

This is an archived article that was published on sltrib.com in 2014, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Oklahoma City • Oklahoma officials are conducting an autopsy of a death row inmate who convulsed violently during his botched execution before he apparently died of a massive heart attack.

Medical examiner's spokeswoman Amy Elliott says the autopsy on 38-year-old Clayton Lockett was being performed Wednesday in Tulsa.

During his execution Tuesday evening that used a new sedative in a three-drug combination, Lockett gritted his teeth, tried to lift his head and convulsed violently after he had already been declared unconscious by a doctor. The state's prison director then halted the execution, and Lockett died later.

Elliott said the coroner will examine the body, including the sites where the drugs were administered, and conduct a toxicology report to determine the cause and manner of death.