The defense argued Lindsay Clancy was experiencing postpartum psychosis, a rare mental illness affecting 1 to 2 out of 1,000 women after childbirth.

Lindsay Clancy's defense team maintained that she suffered from postpartum psychosis, a severe psychiatric condition that includes symptoms like auditory hallucinations and delusions, triggered by childbirth. This illness is far less common than postpartum depression but can profoundly impair judgment and behavior.