article_snippet: Clayton Lockett, a convicted rapist and murderer, writhed and convulsed after lethal injection drugs were administered.
article_snippet: It took 43 minutes for Clayton Lockett, a convicted rapist and murderer to die.
article_snippet: Texas leads the nation in the numbers of executions.
article_snippet: Last year, Texas put to death 10 people.
article_snippet: Last year, Texas has executed three so far.