Is this still on the statute then...?
Where my mother comes from, Perthshire, the River Tilt has a deep turbulent pool that used to be used for judging the guilt or innocence of witches.
If you survived the torrent, 'well, obviously you must be a witch to do so', and were promptly burned at the stake.
If you drowned, 'well sorry, it was clearly a mistake. But not to worry... you can be buried in consecrated ground'.