By Hannah Moore For Daily Mail Australia
Published: 22:27 BST, 2 May 2019 | Updated: 22:27 BST, 2 May 2019
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The family of a 29-year-old Melbourne mother-of-two have revealed the words her jealous boyfriend spoke to them just days before he beat her to death with a barbell last year.
Boyd Unwin, the father of Katie Haley, told A Current Affair he warned Shane Robertson never to lay a hand on his daughter, explaining: 'I told him face to face, "I will only get involved if you touch my daughter".'
Robertson responded: 'I've never hurt her and I never will', just six days before he brutally bashed the young woman to death.
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Katie Haley (right) was bashed to death with a metal barbell by her jealous boyfriend Shane Robertson (left) last year - just six days after the man had told Ms Haley's father he would 'never hurt her'
Ms Haley had just put her baby daughter to bed when Robertson, who had become increasingly jealous over the course of their four-year relationship, flew into a rage.
The man, now 29, had become obsessed with the idea his partner was seeing other men after she'd started a new job, to the point he had set up fake Facebook and Instagram accounts to monitor who she was talking to and where she was going.
Ms Haley had told Robertson she wanted to leave the relationship as a result of his behaviour.
Following the assault, Robertson called his mother and said: 'I've done it. I've bashed her brains in. There is brains everywhere.'
