theMusic | Sylvia drug death case: 'deny deny deny' NEWS.com.au Sylvia drug death case: 'deny deny deny'. Daniel Dung Huynh had two pieces of advice for Sylvia Choi before the dance music festival where she fatally consumed "yellow Snapchat" tablets, police believe. The first, it's alleged, was that Ms Choi and her ... Stereosonic drug accused denied bail 'Deny deny deny': man charged over dealing 'Snapchat' drugs before Stereosonic ... Stereosonic organisers: Don't play 'Russian roulette' with drugs |