CRIMINAL LAW - Conviction - Sexual offences - Indecent act with or in the presence of child under the age of 16 - Evidence - Allegation that complainant sent a text message stating her allegations were false - Whether trial judge restricted defence counsel's cross-examination of complainant as to the text message - Fair trial - Whether non-disclosure by the Crown of matters potentially affecting the complainant's creditability rendered trial unfair - Whether disclosure would have significantly damaged Crown case or advanced accused's defence - R v Grey [2001] HCA 65; (2001) 184 ALR 593, applied - Appeal allowed - New trial ordered.