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A confluence of cases with questionable DNA at the JTC, around the time of Andrew's case, raises the prospect of more significant issues at the lab. This is confirmed when I track down a whistleblower. This former JTC senior scientist outlines all the problems that led him to declare the lab practised "quasi science". 

If you have any information on the Kathleen Marshall murder please contact me at: [email protected]

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The case of Lindy Chamberlain and Andrew Fitzherbert are linked by the retired DNA expert Barry Boettcher and Barry also happens to have a connection to the host's husband! The Lindy Chamberlain case reveals more erroneous forensics. A discussion with Professor Boettcher reveals a very limited scenario for Andrew's blood to be present at the murder scene and rules out it being shed contemporaneously to the murder. 

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After studying the Kathleen Marshall murder my attitude to offering a sample for DNA testing in a criminal case has changed. The DNA discovery in Andrew's case stopped police from pursuing other avenues of investigation. There were multiple issues with Andrew's DNA from collection, storage, analysis, results and statistical reporting . Mixed blood samples are problematic and can easily implicate suspects wrongly. A previous case of Ken Cox's comes into question. 

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What were Andrew's whereabouts on Thursday, the day police thought Kathleen was killed and Friday, the day she was more likely killed? Photoboards are not regarded as reliable identification in a murder case and Andrew's smiling face likely stood out. Police recorded detailed statements about the man Pauline and Victor saw after Andrew was identified by Pauline. And why was Andrew calling Kathleen's house before the murder?

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Who did Victor and Pauline Licciardi see at Kathleen's house the day police thought she was killed? Their evidence, along with a refusal provide a DNA sample, sent police on the hunt to prove Andrew was the killer. 

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Kathleen shared her fears of being stalked. A cat fight breaks out at Kathleen's house. The congregation of cat ladies outside Katheen's house, the day her body was found, tell police the murderer has just driven past. And that woman becomes the first person of interest in Operation Leaf. But DNA testing changes the course of the investigation. 

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Another crime committed close by, muddies the water. Crime scene diagrams created by the police forensic officer contain an item that could be crucial to the case - a detail that seems to have been missed till now. A walk through Eildon Hill Reserve reveals the perfect path for a killer to  pass unnoticed in the suburb. Introducing person of interest: Helen. 

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Kathleen's house looks like it's been ransacked and police question the placement of a particular piece of sheet music on her grand piano. Time of death doesn't match a number of eye witnesses who saw Kathleen alive when she was supposed to be dead. How reliable was the entomologist's estimate and what was the most likely time Kathleen was killed?

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Kathleen's doctor proposes a cat attack theory. A summary of the wounds reveals shallow stabs directed at the head and face - was it personal? Issues with the crime scene and an inference of stalking. 

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The queen of the cat ladies is dead, stabbed 52 times and left to die. Her fellow cat ladies discover the body. Who was the victim, and why was she so unpopular in her neighbourhood?

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