In 2010, Cunneen as a private citizen, gave glowing endorsements in Sydney's District Court regarding alleged sexual assault perpetrator, Brett Stewart, who was found not guilty by the jury in under an hour's deliberation.
In 2010, Cunneen as a private citizen, gave character evidence for Brett Stewart, referring to his having campaigned in New Guinea against violence towards women, in Sydney's District Court in his trial after an allegation of sexual assault. Stewart was found not guilty by the jury in under an hour's deliberation.