Brother of Samantha Knight's killer Michael Guider says he knows where the ...

The brother of schoolgirl Samantha Knight's killer believes he knows where the missing nine-year-old is buried and how to make his sibling lead detectives to her grave.

Tim Guider is convinced Samantha's body lies under or near a headstone bearing another Knight's name in a corner of the old Gore Hill Cemetery on Sydney's lower north shore.

Mr Guider told Daily Mail Australia his brother Michael had reluctantly admitted this year to visiting the graveyard with another of his child victims years after Samantha's 1986 disappearance.

He thinks while Michael was working next to the cemetery he moved Samantha's body there and arranged parts of a broken memorial to a long-dead woman named Sarah Knight to mark or point to her grave.    

Mr Guider said when he told Michael during a prison visit he 'knew' Samantha was buried at Gore Hill Cemetery the serial paedophile began to tremble and was struck speechless. 

'His reaction confirmed it,' Mr Guider said. 

The brother of schoolgirl Samantha Knight's killer believes he knows where the nine-year-old is buried - and how to make his sibling lead police to her grave. Tim Guider is convinced Samantha's body lies near a headstone bearing another Knight's name in a corner of the old Gore Hill Cemetery on Sydney's lower north shore. Mr Guider is pictured near Sarah Knight's grave

The brother of schoolgirl Samantha Knight's killer believes he knows where the nine-year-old is buried - and how to make his sibling lead police to her grave. Tim Guider is convinced Samantha's body lies near a headstone bearing another Knight's name in a corner of the old Gore Hill Cemetery on Sydney's lower north shore. Mr Guider is pictured near Sarah Knight's grave

'I think he is kind of proud of himself to be able to hide a body like that right under our noses without us even noticing.' 

Michael Guider's maximum prison sentence expired on June 6 and the New South Wales Attorney-General is now seeking a court order to keep him locked up for another year. 

This is no normal person. He's a monster and he's a danger and the community don't want him out.

His brother, a former bank robber who is now a successful artist, hopes the 68-year-old can be coerced into revealing where Samantha is buried and confessing to further crimes.  

'This is no normal person,' Mr Guider said. 'He's a monster and he's a danger and the community don't want him out.'

Mr Guider believes his brother may have killed more of the children he drugged, molested and photographed and their bodies could also be in Gore Hill Cemetery. 

He has visited Michael in prison six times this year, 'with the sole purpose of finding out where he moved Samantha.'

It was Mr Guider who coaxed the confession out of his brother that he killed Samantha - accidentally, he claimed - which led to him being jailed for manslaughter in 2002 for 17 years. 

He now wants Michael brought before the New South Wales Crime Commission, which could use its coercive powers to compel him to reveal where he buried Samantha.

Samantha Knight's killer, serial paedophile Michael Guider, is pictured clutching a Kodak film packet and developed photographs in 1984, the year he began molesting Samantha. Guider drugged and assaulted his many victims then photographed them in pornographic poses. The NSW Attorney-General is seeking a court order to keep him locked up

Samantha Knight's killer, serial paedophile Michael Guider, is pictured clutching a Kodak film packet and developed photographs in 1984, the year he began molesting Samantha. Guider drugged and assaulted his many victims then photographed them in pornographic poses. The NSW Attorney-General is seeking a court order to keep him locked up 

Tim Guider hopes his 68-year-old brother can be coerced into revealing where Samantha (pictured) is buried and confessing to further crimes. 'This is no normal person,' he says. 'He's a monster and he's a danger and the community don't want him out'

Tim Guider hopes his 68-year-old brother can be coerced into revealing where Samantha (pictured) is buried and confessing to further crimes. 'This is no normal person,' he says. 'He's a monster and he's a danger and the community don't want him out'

In 2003 Michael finally told police he had buried Samantha near a large tree on the grounds of the Royal Sydney Yacht Squadron at Kirribilli, where he worked as a gardener.

Police dug up a garden where Michael indicated he had buried Samantha but despite a positive reaction from a cadaver dog no bones or other evidence were found. 

In late 1988 the yacht squadron had begun constructing an enormous underground car park which Michael, who lived nearby in a boarding house, had complained about to the local council.  

He had to move her... They would have seen her and he knew that. And he would have been number one suspect.

While detectives think Samantha's remains may have been accidentally removed during excavation work, Mr Guider believes his brother got to her first. 

By late 1988 Michael was the head gardener at Royal North Shore Hospital, which adjoins Gore Hill Cemetery, about 5 kilometres away. 

'He had to move her,' Mr Guider said. 'There's no way that they wouldn't have disturbed the grave. 

'They would have seen her and he knew that. And he would have been number one suspect.'

Mr Guider believes his brother would have chosen to again bury Samantha near his workplace.

'He engaged in high-risk behaviour,' he said. 'It doesn't surprise me if he buried her at work on each occasion.' 

Sarah Knight's headstone has been broken and its plinth and a large cross moved to the unmarked grave behind it. 'It was just like a written sign saying

Sarah Knight's headstone has been broken and its plinth and a large cross moved to the unmarked grave behind it. 'It was just like a written sign saying "Samantha is here",' Mr Guider says. He believes the broken headstone had been arranged by his brother in a pattern to mark or point to Samantha's grave. 'That's the way he thinks. He wanted some sort of marker'

Gore Hill Cemetery, which is just off the Pacific Highway, would be the perfect place for Michael Guider to have reburied Samantha, his brother says. The heritage-listed cemetery, dedicated in 1868, is one of the oldest and most significant remaining burial grounds in metropolitan Sydney. It is just off the Pacific Highway and easily accessible at any hour

Gore Hill Cemetery, which is just off the Pacific Highway, would be the perfect place for Michael Guider to have reburied Samantha, his brother says. The heritage-listed cemetery, dedicated in 1868, is one of the oldest and most significant remaining burial grounds in metropolitan Sydney. It is just off the Pacific Highway and easily accessible at any hour

Mr Guider said his brother had had a fascination with cemeteries and funeral rites since childhood, once burying a dead galah he found on a road trip and fashioning a cross with twigs to mark its grave.

'He's got this thing about graves,' the 65-year-old said. 'He's long had a fascination with graveyards.' 

Gore Hill Cemetery, which is just off the Pacific Highway, would be the perfect place for his brother to have reburied Samantha, Mr Guider said.  

He's got this thing about graves. He's long had a fascination with graveyards. 

The heritage-listed cemetery, dedicated in 1868, is one of the oldest and most significant remaining burial grounds in metropolitan Sydney.

By the time it was closed for burials in 1974, more than 14,400 sets of remains had been interred there. It is secluded but easily accessible at any hour.

Mr Guider believes after his brother abducted Samantha he drove her straight to the shed at the yacht squadron where he had molested other children. He buried her in a garden bed once she had died.

When it seemed likely her body would be found at Kirribilli he would have realised the grounds of the hospital, which were used 24 hours a day, would be unsuitable. 

'It was perfect,' Mr Guider said of the cemetery. 'He had the perfect place right next door. 

Mr Guider says his brother Michael had reluctantly admitted visiting the graveyard with another of his child victims years after Samantha's 1986 disappearance. He thinks while Michael was working next to the cemetery he moved Samantha's body there and arranged parts of a broken memorial to a woman named Sarah Knight (pictured ) to mark or point to the grave

Mr Guider says his brother Michael had reluctantly admitted visiting the graveyard with another of his child victims years after Samantha's 1986 disappearance. He thinks while Michael was working next to the cemetery he moved Samantha's body there and arranged parts of a broken memorial to a woman named Sarah Knight (pictured ) to mark or point to the grave

In 2003 Michael Guider told police he had buried Samantha near a tree (pictured) on the grounds of the Royal Sydney Yacht Squadron at Kirribilli, where he worked as a gardener. But in late 1988 the yacht squadron had begun constructing an enormous underground car park, which Guider, who lived nearby in a boarding house, complained about to council

In 2003 Michael Guider told police he had buried Samantha near a tree (pictured) on the grounds of the Royal Sydney Yacht Squadron at Kirribilli, where he worked as a gardener. But in late 1988 the yacht squadron had begun constructing an enormous underground car park, which Guider, who lived nearby in a boarding house, complained about to council

'He would have gone in the dead of night and dug her up from the flower bed and moved her straight to Gore Hill which was just a few kilometres away.' 

'Getting there on the back roads is really easy. No one would have seen him. He had access to a ute, access to a wheel barrow and shovels.'

Mr Guider remembered Michael telling him while he worked at the hospital that the adjacent

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