Lindsay Clancy's defence lawyer made a surprising strategic shift in court on Tuesday, moving away from his previous argument that she was not criminally responsible due to postpartum psychosis. Instead, he challenged the prosecution to produce evidence that Clancy actually killed her three children, pointing to alleged gaps in physical evidence including blood, DNA analysis, and timing related to her paralysing suicide attempt. This marks a striking reversal from his earlier position when he had agreed to stipulate that Clancy killed her children. The shift signals either a preparatory strategy for a potential retrial or a desperate attempt to have the charges dismissed on the grounds of insufficient evidence.

The jury had deadlocked 11-1 in the original trial before a mistrial was declared on 4 September, with eleven jurors supporting the not guilty due to mental illness defence and only one voting to convict. Clancy allegedly strangled her three children with exercise bands, but her lawyer is now arguing there is insufficient evidence connecting her to the actual killings. Prosecutors dismissed his new argument as "laughable," and legal analysts suggest this could represent either a kitchen-sink defence strategy or preparation for a third-party culpability defence at retrial, potentially arguing someone else killed the children.