article_snippet: Clayton Lockett, who shot and buried alive Stephanie Neiman, 19, in 1999, was scheduled to be put to death by an untested cocktail of three drugs, including  midazolam, in Oklahoma on April 29.
article_snippet: Clayton Lockett (left), who shot and buried alive Stephanie Neiman
article_snippet: Lockett was scheduled to be put to death at Oklahoma state prison (above)) by an untested cocktail of three drugs, including the sedative midazolam, on April 29.
article_snippet: Above, one of the drugs used in the execution, midazolam .
article_snippet: Halted: After Lockett's execution went awry, Gov Mary Fallin ordered a halt to the killing (left), who sexually assaulted and killed 11-month-old baby Adrianna Waller (right) in 1997 .
article_snippet: After Lockett's execution went awry, Gov. Mary Fallin ordered a halt to the second scheduled execution of Charles Warner, who raped and murdered an 11-month-old girl in 1997.
article_snippet: Warner was executed nearly nine months later, on Janyary 15, using the same three drugs in Lockett's execution, but with a five-fold increase the amount of the first drug, midazolam.
highlights_snippet: Clayton Lockett, 38, shot and buried alive Stephanie Neiman, 19, in 1999 .
  