Yacqub Khayre, had a history of drug abuse, guns and violence.

The Islamist radical killed one man and injured three police officers before being shot dead by police.

He told a local news channel his attack was for ISIS and al-Qaeda.

Nine.com reported:

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The innocent employee fatally shot during a terror attack at a Melbourne apartment building yesterday has been identified as a father-of-one who recently got married.

The 36-year-old receptionist was “in the wrong place at the wrong time” when siege gunman Yacqub Khayre entered the lobby of the Brighton serviced apartments and opened fire.

Police found the Chinese-born man dead in the foyer of the building after being called just after 4pm yesterday to Bay Street, after initially receiving reports of an explosion.

Meanwhile, it has been revealed Khayre tampered with his GPS ankle bracelet during a terror attack in the affluent Melbourne suburb.

Police are investigating whether the Somalian-born Roxburgh Park man deliberately lured them into a deadly ambush after it was revealed he had booked a female escort, whom he took hostage, and triggered an alert on his tracker.

The 29-year-old suspect, who was on parole, was holed up in one of the ground floor apartments with a shotgun and the female escort, and called the Channel Seven newsroom, stating: “This is for IS, this is for al-Qaeda”.