The accused was charged with sexual assault and sexual interference relating to his former partner's niece, who was between four and seven years old at the time.
The complainant's evidence included recovered memories and she had been exposed to psychedelic drugs as a child.
The accused testified and denied the allegations.
Applying the W.(D.) framework, the court rejected the accused's evidence and found the complainant credible.
Due to concerns about recovered memories and psychedelic exposure, the court sought confirmatory evidence, which it found in the brother's testimony about the accused's diaper fetish.
The court was satisfied beyond a reasonable doubt that the accused had the complainant sit on his face and pee into a diaper, constituting both offences.