The prejudice of DNA- TPPR
DNA TRANSFER FACTORS The factors of DNA transfer, persistence, prevalence and recovery (DNA – TPPR) can be both relevant and prejudicial to the jury. The prejudice of DNA – TPPR manifests when the court forms a false understanding that the general principles are evidence of a scientific evaluation of the...
DNA before New Zealand courts
DNA before New Zealand courts The R v Wells conviction and New Zealand High Court appeal, illuminates novel "fragile sperm" DNA expert opinion. The opinion was acknowledged to be without no supporting data, and was led in support where no sperm had in fact been detected. Such expert speculations are...
DNA transfer “more likely” is not science
DNA Transfer When considering "how" the DNA was deposited, we must not apply "more likely" before the courts, and should correctly apply the scientific approach defined as Activity Level Reporting. "more likely" statements in expert evidence have been prevalent in known DNA wrongful convictions which is detailed further in Fitzgerald...
DNA expert certificate – lawyer interpretation guide
Lawyer interpretation guide Criminal matters involving DNA can be evidenced by the crown in various ways, depending in part upon the particular state lab, severity of the matter, and the maturity of the matter before the courts. In Australia, all states and territories will at some stage serve a form...
Fitzgerald wrongful conviction – Why it can happen again
Fitzgerald wrongful conviction The DNA wrongful conviction Fitzgerald v R turned on how the DNA was deposited. The scientifically invalid "DNA more likely" repeats itself in 2024 Australian courts as it did in the Fitzgerald wrongful conviction To consider "how" DNA was transferred, the DNA expert must conduct Activity Level...
Efficacy of expert evidence
“White coat effect” The efficacy of evidence at trial, is undoubtedly predicated on how that evidence is perceived by jurors, and the court. The preparation of inherently complex scientific and forensic evidence must be purposeful and meticulous. It is critical that evidence presented to the jury is clear, simple and...
DNA Expert Evidence – How Good Science Fails
DNA Expert Evidence This article provides an overview of the relationship between mixed DNA profiles and the software commonly utilised in the United States, Australia, New Zealand, and the United Kingdom to interpret profiles for consideration as to identity. Roebuck Forensics proffers DNA expert witness testimony regarding serious criminal matters....
Hate Crimes Inquiry – 2023
Scott Stuart Miller – Cause of Death On 18 December 2023, the Special Commission of Inquiry into LGBTIQ hate crimes delivered its report to the Governor of New South Wales. I was engaged by the Inquiry to conduct an examination of Mr Miller's clothing for the purposes of bloodstain pattern analysis. The...
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