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Notorious killer dies of cancer
Luke EliotThe West AustralianThu, 25 October 2012 8:27AM
A mechanic described as one of WA's worst killers has died after a long battle with cancer nine years after he was jailed over the brutal murder of a prostitute.
The Department of Corrective Services confirmed that Alexander Ronald Mackenzie died in hospital at the weekend.
The 60-year-old was jailed for life with a 25-year minimum over the wilful murder of prostitute Roslyn Watson, who was repeatedly stabbed in a Leederville home in January 1986. He continually denied involvement in her death.
It was not until 2001 that homicide detectives charged Mackenzie with the murder after forensic evidence was re-examined using new fingerprint technology.
He also attacked another prostitute in Fremantle in 1984 but she convinced him to let her go.
On January 29, 1986, Mackenzie arranged for Ms Watson to meet him at the Leederville home he had visited while inspecting a car.
Ms Watson called the escort agency to confirm her arrival before she was attacked.
She was found dead on the lounge room floor naked with her hands bound together and had seven stab wounds from two weapons.
Man sentenced for 1986 prostitute murder
Posted Thu 17 Apr 2003 at 2:21pmThursday 17 Apr 2003 at 2:21pmabc.net.au/news/man-sentenced-for-1986-prostitute-murder/1838194
A 51-year-old man was sentenced to life in prison with strict security for the wilful murder of a Perth prostitute 17 years ago.
Alexander Ronald Mackenzie was found guilty last month of murdering Roslyn Watson at a house in Leederville in 1986, and assaulting another prostitute in Fremantle a year earlier.
Justice Geoffrey Miller said Mackenzie attacked Ms Watson in a brutal and frenzied way that involved torture.
He ordered Mackenzie serve 25 years in jail before being eligible for parole.
Outside the court Mackenzie's ex-wife Anne Davies said she reported him to police in 1986 because she suspected he murdered Ms Watson.
She said she was happy with the result.
"The right thing has been done now he's not going to be able to hurt anybody else and he's deserved every day of the sentence that he's got," Ms Davies said.