This is the Australian short film The Disappearance of Willie Bingham.
It was written and directed by Matt Richards, based on the original story by Michael Fawcett, and stars Kevin Dee, Gregory J Fryer, Tim Ferris, Leah Vanderberg, Albert Goikhman. It played at numerous film festivals and won awards for Best Short Film, Best Director, and Best Actor for Kevin Dee. Check out the synopsis and short film below.
"Inmate Willie Bingham is the first man selected to undergo a gruesome new punishment introduced under the State’s revised stance on capital crime."