Juries ; R v Briffa and Portillo (unreported, 21 April 1997, VicCA, Winneke P,Brooking & Callaway JJA) ; R v Webb and Hay (1994) 181 CLR 41 at 57 ; R v Stone (1796) 101 ER 684 ; R v Su [1997] 1 VR 1 ; Duff v R (1979) 35 FLR 315 ; R v Chaouk [1986] VR 707 ; R v Ketteridge [1915] 1 KB 467 at 480 ; R v Muto and Eastley (1995) 83 A Crim R 67 ; R v T (1996) 86 A Crim R 293 ; R v Medici (1995) 79 A Crim R 582 ;