Just out of interest, The General Medical Council takes a dim view of a doctor stating "six months to live." Statements to the effect of "months rather than years" or "weeks rather than months" are about as far as you can go.
The "six months to Iive" came from bureaucrats and politicians. No doctor ever said it, and the authors of the medical reports were, if the rumour mill has any substance, rather annoyed about being quoted out of context to justify a political decision.
Was he guilty? Dunno. But a court did convict him and in the absence of further evidence, we tend to draw a line after a verdict. At the same time, the Scottish prisons have approximately 70 prisoners with terminal conditions. Most will die there. Pity their wives can't strike oil in the back garden then.