A Sydney restaurateur who says she accidentally fatally wounded her husband told police "I stabbed him, we argued and I was mad", a jury has been told.
Inspector Paul Warden testified that Qian Liu said those words when he asked her what happened after he saw her on the floor cradling her husband's head and upper body in their Riverwood granny flat.
He was giving evidence in the NSW Supreme Court on Wednesday at the trial of Liu, 35, who has pleaded not guilty to murdering Han Lim Chin, 39, who was stabbed late on January 3, 2016.
The Crown alleges the stabbing was deliberate, but the defence contends it was accidental.
Her barrister Philip Boulten SC told the jury Liu had not realised the sheath had come off the knife, nor did she initially realise that she had stabbed him or caused a wound.
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Insp Warden read out a statement he made on January 15, 2016.
When he first went into the granny flat he asked what happened and Liu replied: "It's alright, we had an argument" .
She lifted a towel from her husband's chest to reveal a single laceration.
Insp Warden said he again asked what happened and she replied: "I stabbed him, we argued and I was mad. Is there an ambulance on the way?"
The officer said he then told her she was under arrest and cautioned her.
He asked her where the knife was and she pointed to the bedroom, where he then saw a small kitchen knife in a black sheath on the bed.
Mr Boulten asked the inspector whether "you claim your statement is word to word perfect about the conversation you had with the accused"?
"In relation to the conversation, word perfect," he replied.
But he agreed there were three errors in his statement, including the time he first got a call over the police radio about a stabbing or shooting at Riverwood.
He also mistakenly said there were three officers, instead of two, who initially attended the scene, and also wrongly attributed a question to himself, rather than another policeman.
He denied a suggestion that when he asked Liu several times what happened, she replied "we had an argument".
He also denied she then said: "Ask for ambulance to come and save my husband, later I tell you everything."
The trial is continuing before Justice Clifton Hoeben.
