In 1927, Donald Merrett began a 12 month sentence for forgery. A charge of murder had been found Not Proven. The killing for which he had stood trial, was that of his mother ....and he was just 17. Born in New Zealand in 1908, Merrett moved with his mother Bertha to Edinburgh, in 1926. After she died and on his release from prison, he married 17 year old Vera Bonnar and went on...