Complex sentence: Mark James Asay, 53, was scheduled to be executed August 24,2017, becoming the first person in US history to be given a lethal injection including entomidate as one of the three drugs.
Split into simpler sentences: Mark James Asay, 53, was executed August 24,2017. He became the first person in US history to be given a lethal injection including entomidate as one of the three drugs.