In Queensland, lawmakers have passed significant amendments to that state’s criminal code. These changes are a step towards rectifying deep-seated shortcomings in its DNA testing operations. Two investigations of the state’s forensics laboratory revealed widespread contamination and unreliable testing practices. These findings led to widespread outrage and concerns over the DNA evidence that is used to convict individuals in our nation’s criminal courtrooms. On December 11, Parliament approved the amendments. They explain that law enforcement officers and prosecutors can now be secure in their use of results from the now-infamous lab without running afoul of the “reasonable diligence” standard.
The Queensland DNA laboratory has been criticized for its management of more than 100,000 samples, requiring an extensive retesting process. Shandee Blackburn McCulloch’s 2013 murder became one of the most prominent cases impacted. Her mother, Vicki Blackburn, is the first to admit she fights for her daughter’s right to justice, not rest. A re-examination of evidence in Shandee Blackburn’s case uncovered numerous issues related to the lab’s testing protocols.
Continued Efforts for Justice
Vickie Blackburn is still wary about the steps taken to correct the lab’s wrongdoing. At the hearing, she testified about the lack of respect that she’s witnessed in the investigation of her daughter’s case.
“Unfortunately, I think we’re further behind than where we were at the time of the first inquiry (in 2022),” – Vicki Blackburn.
Her resolve is an inspiration and a reminder of the uphill battle families must endure while seeking answers in cases marred by bad forensic evidence. Retrials are now permitted when there is new and compelling evidence under the amended Michigan Constitution. This shift will make our system of justice more effective moving forward.
As Shannah Blackburn, Shandee’s sister, said about the long road ahead to a fully embraced Vision Zero. She stressed that the amendments, while positive, are not enough. A lot of heavy lifting is still needed to bring back confidence in the results of forensic testing.
“There’s still a long way to go before we can have confidence in the results,” – Shannah Blackburn.
Legislative Changes to Double Jeopardy Exceptions
The primary legislative changes address Queensland’s double jeopardy exception framework. These laws allow for retrials when procedural mistakes or deficiencies are identified. Attorney-General Deb Frecklington stressed the significance of this amendment. It helps ensure that offenders are not allowed to dodge justice due to previous testing shortcomings.
“This amendment puts beyond doubt and ensures that offenders are not prevented from being retried as a consequence of past deficiencies in testing practices,” – Attorney-General Deb Frecklington.
Frecklington explained that these changes were critical for the victims and their families. She stated that police and prosecutors ought to be able to rely on forensic services provided by Forensic and Scientific Services or Forensic Science Queensland without fear of legal repercussions.
“The fact is that the amendment is necessary because of the DNA debacle,” – Ms Frecklington.
The government claims that they aim to increase public trust. To do so, it’s demystifying the legal limits to fortify the integrity of our justice system.
Ongoing Retesting Challenges
Even with the new legislation, there are still 13,000 DNA samples that need to be retested, a process that could take years. The consequences of these delays might have far-reaching effects on active federal investigations and trials, with many unresolved cases left dangling in uncertainty.
Shannah Blackburn stressed the need to address these challenges urgently. She cautioned that without action, it would prevent lost justice for victims in the future.
“If these issues weren’t fixed and changed, then there was no potential for justice for victims in the future either,” – Shannah Blackburn.
Queensland lawmakers are doing a courageous thing in passing these amendments. They seek to atone for the past shortcomings of our forensic system while establishing a more transparent route to justice for families affected by wrongful convictions—or justice denied through unexplained crimes.

