But Crown prosecutor Richard Annandale, in his closing address to the jury yesterday, questioned why Haddon-Hardy washed and concealed the knife after the stabbing if he acted in self defence.
He said there were differences in the statements of Haddon-Hardy and his partner and said the latter's version of events should be preferred as it was consistent with the evidence.
Although Wilson carried a fence paling to the house where Haddon-Hardy lived, Annandale said he did not use it or any other weapon when he was stabbed.
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In her closing address, defence lawyer Julie-Anne Kincade said the injury to Wilson was in no way deliberate as Haddon-Hardy's action was clearly in self defence.
She said Wilson had been drinking throughout the day to the point he got kicked out from a function on Murdoch Cres after he refused to leave and a toxicology report also found cannabis and methamphetamine in his system.
Kincade urged jurors to look at Wilson's past behaviour that showed repeated and insistent violence while intoxicated.
She said Wilson was not at Haddon-Hardy's house for any other reason than to have a fight.
Justice Rebecca Edwards will sum up the case this morning before the jury goes out.