One thing I would add is that it's really difficult to look retrospectively at the people who have been convicted of these three offences arising out of the same transaction, because again you would rarely see a person charged with first-degree murder along with any other offence. Typically the only offence you need to go with is first-degree murder and you are either going to prove that or not. Usually if it's a whodunit that solves the case and most of these cases don't involve serious questions about mens rea and that sort of thing. You would typically see a person charged with a single count of first-degree murder. There may be plenty of other cases out there of people who would have been susceptible to this maybe because they are a party, maybe because they are an aider or an abettor to somebody else committing an offence of this sort who you could imagine 25 years down the line may well be sufficiently reformed that there would be a strong interest in releasing them.
But it is certainly true that the only cases where they throw the book at somebody by charging them with everything under the sun are the most heinous cases. So I think that probably skews the sample in terms of whether these are people likely to be released.