"I want to now talk to you [about the] use of the word `corroboration'. Corroboration is not, for all criminal matters, an essential ingredient of an offence. However where, in a case such as this, such a serious allegation is made as murder/manslaughter, I warn you and direct you that is dangerous to act on uncorroborated evidence and I must, in warning you of that, direct you that if you do not find corroboration for events, then it is dangerous to convict on that evidence. I have told you that the Crown relies on the matters of corroboration of Simon West's evidence, in relation to the murder charge; the evidence of Nicole Barrett. The Crown has told you the ways in which corroboration can apply: not a second eye-witness of the precise events, but how corroboration through Nicole Barrett of all those matters, having the knife and the threats and so on and the stabbing of the tyres beforehand and the evidence of the surrounding witnesses, these can constitute corroboration. If you make findings in relation to those matters, then you can rely on that. But otherwise, in a serious matter such as this, you should take into account that you have to find corroboration in a serious charge such as murder and manslaughter and all of the medical evidence is a matter which also you may take into account, in part in that corroboration." (emphasis added)