They are the trophies Australia's worst serial killer Ivan Milat kept to remind him of each murder, the clothing and camping gear of the seven young backpackers he shot or strangled in the Belanglo Forest in southern NSW. They are the shirts, sleeping bags, a water bottle, portable stove and backpacks found hidden in roof and wall cavities in what was described as an 'Aladdin's Cave' - the interior of the house where Ivan Milat was arrested 20 years ago. Pictures of the 'trophies' which forensic investigator Rod Milton said gave the serial killer pleasure and which he kept or gave to family members and his girlfriend have been revealed in a new book. Scroll down for video. Bedside table: The Indonesian Rupiah banknotes forensic investigators found among Australian cash on the bedside table of the bedroom in Ivan's house police believe belonged to German former soldier, Gabor Neugebauer, 21, who was gagged and shot six times and his 20-year-old girlfriend, Anja Habschied, who was decapitated, put on a leash made from a sash cord perhaps from Milat's mother's house and her spinal cord severed. The young couple had been on holiday in Indonesia before arriving in Australia. Called 'Milat', the book was written by Clive Small, the detective who led the task force investigating the murders of the two young Australians, three Germans and two British girls whose bodies were found murdered and buried in ritual gravesites in Belanglo in late 1993.

Mr Small described his book as 'a story of unfathomable cruelty, a portrait in terror. Flash tool download sony xperia. But also a story of the kindess of strangers in friendships forged when the families of the victims met under terrible circumstances'.

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The new pictures include those of the t ent and sleeping bag cover which belonged to Simone Schmidl, 20, who Milat stabbed to death in 1991. Wrapped around the tent was a 'compact-o-mat' headband, identical to the band around Schmidl's skull at the forest burial site. The book also details items including the German brand portable stove and other mountain sports equipment Milat souvenired after killing Ms Schmidl. Gun mad: After the bodies of seven young backpackers were found in the Belanglo State Forest, police investigating the serial killings were told about a family of brothers in southwestern Sydney were 'mad' about firearms.

The attention of detectives soon turned to Ivan Milat (above) who had been arrested for the kidnap and rape of young young women hitchhikers and and have a large collections of knives and firearms The book also contains details of the insulating tape, sash cords and cable ties including improvised leashes Milat used to bind and subdue the backpackers. Mr Small said lengths of sash cord found in a pillow case belonging to Ivan Milat's mother, Margaret, were likely the same sash cord used as a 'leash device' in the murder of German former soldier, Gabor Neugebauer, 21, who was gagged and shot six times and his 20-year-old girlfriend, Anja Habschied, who was decapitated and her spinal cord severed. Then Detective Superintendent Small led the seven month investigation into the murders which culminated in Milat's arrest on the morning of May 22, 1994.

Skeletal remains: After a group of orienteers discovered a body while in the Belanglo forest south of Sydney, which was identified as that of missing British backpacker, Joanne Walters, police discovered the remains of a further six young people which they removed (above) from the remote area and Suprintendent Clive Small formed a task force which seven months later led to the arrest of Ivan Milat 'He'd been under surveillance for some time. We knew he'd gone to sleep inside the house, that he had firearms.' Detective Gordon said the plan was to convince Milat to come out alive and without incident. As Clive Small records in his book, when Gordon first asked, 'Mr Ivan Milat, is it?' , a male voice answered, 'no, he's not here at the moment', but Gordon knew it was Milat's voice. Between January 1990 and April 1992 seven young backpackers went missing while hitchiking on the outskirts of Sydney, New South Wales.

Their bodies were all discovered in the Belanglo State Forest, near Bowral, south of Sydney and found to be victims of serial killer, Ivan Milat. The victims were:. Australians Deborah Everist and James Gibson, both 19, who were last seen in December, 1989, and who were both stabbed multiple times. German Simone Schmidl, 20, who disappeared in January 1991 and died from multiple stab wounds, including a knife through her spinal cord. German former soldier, Gabor Neugebauer, 21, who was gagged and shot six times and his 20-year-old girlfriend, Anja Habschied, who was decapitated and her spinal cord severed after the diappeared in January 1992.

Last seen in April, 1992, Britons Caroline Clarke, 21, who was shot ten times as if she was target practice and Joanne Walters, 22, who was stabbed. Ivan Milat received seven life sentences for the murders and will die in Australia's Supermax prison. Gordon identified himself as a negotiator with the State Protection Group, and told Milat, 'I want you to come outside for the safety of yourself and whoever's in the house with you. Now what I want you to do is to come out the front door. I want you to turn left, go through the front gate. I want you to walk with your arms out, exposed from your body.

'You'll be met by some State Protection Group police who'll be dressed in black. They will be armed and I want you then to lie face down on the ground.' Gordon says he recalls Milat was 'very alert and challenging on the phone. It took two phone calls over about 30 minutes. I told him armed police were all around the property.

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'He was confident and cocky. He wanted to be in charge, or he attempted to be. I think he was trying to hide things in the cavities of the walls of his house during that time.' Eventually, Milat agreed to come out once he 'put me pants on'. On the second phone call, Small recalls, ' Ivan sounded calm and told Gordon he thought it was 'someone from work' ringing up for a joke. Gordon assured Ivan that it was no joke. 'Ivan laughed and told Gordon he had looked out of the window but couldn't see any police.

While Gordon repeated his instructions, Ivan went on laughing and ignoring the instructions.' Eventually, Milat emerged with his girlfriend, Chalinder Hughes, and the pair stood on the lawn as Milat was handcuffed ready for the walk through of the house.

Clive Small remembers he seemed unfazed by the fact he had been charged with the abduction of Briton Paul Onions - the seven backpacker murder charges would not be laid until after police had gathered evidence from inside the house. 'His demeanour was still one of the man in control,' Small told the Mailonline.

'My impression was he didn't know what all the fuss was about. He was enjoying all the attention. He'd got away with it before and had the view he'd be back home for tea.'

'He thought he'd get off, but that was his last moment of freedom. He's been in custody ever since and I don't imagine, for a man who likes to be in control, he can be having a good time in jail. Derived pleasure: Murder victim Caroline Clarke (left) wearing the Benetton shirt which her killer later gave as a present to his girlfriend Chalinder Hughes (pictured, wearing Clarke's shirt in Sydney). Hughes was completely unaware of Milat's activities, but forensic psychiatrists later said he would have got a thrill out of seeing one of his murder trophies being worn Ivan Milat was convicted of the seven backpacker murders on July 27, 1996 and for the attempted murder, false imprisonment and robbery of Paul Onions. He received seven life sentences and is now incarcerated in Australia's toughest prison, the High Risk Management Correctional Centre, known as Supermax, in the city of Goulburn south of Sydney and near the Belanglo forest.

Both Wayne Gordon and Clive Small have encountered Milat in prison, Small 'meeting' him in Supermax where the killer recognised the former detective, and castigated him for what he believed was Small's maligning of Milat's sister, Shirley. Gordon interviewed Milat in Goulburn prison when he was investigating the murders of 20 young people from the Newcastle area in the NSW Hunter Valley region. Several young women who disappeared over a 20 year period are strongly believed to have been murder victims of Milat, Gordon said. 'I went into Supermax to see him.

He sat there, but then he put two and two together and remembered my name from the committal and his trial,' Gordon said. 'There was the tape recording of our conversation at the trial and then his appeal, and so there was a lot of colourful language. Yes, he said said the 'f' word several times and then he terminated the interview.

He walked out.' In prison, Milat, now aged 69, has been a troublesome inmate, having planned at least one escape, swallowing metal objects so he could get out of jail and try and escpe from hospital and, in 2009, severing his finger with a plastic knife.