The 51-year-old has been on death row ever since he was convicted of first-degree murder nearly 17 years ago on the testimony of a single witness. Glossip has maintained his innocence from the start, and now he's hoping that a last-minute reprieve from Oklahoma Gov. Mary Fallin (R) -- or the White House -- can spare him from becoming the 196th person to be put to death by the state of Oklahoma.
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