Probably not an example — seems a bit of a stretch from the fictional back-alley doctor trope to Real Life euthanasia.
Dr. Jack Kevorkian. He performed euthanasia in his van, with a machine he built from old toys.
An exception to the rule, in that the worst and only complication of this procedure is identical to the desired outcome. If at first you don't succeed, add more pentothal.
Probably not an example — seems a bit of a stretch from the fictional back-alley doctor trope to Real Life euthanasia.