Al Bakhtiar bin Ab Samat v Public Prosecutor [2012] 4 MLJ 713 Evidence -- Similar fact evidence -- Admission of -- First charge was for possession of 30.40g of cannabis and second charge for trafficking dangerous drugs -- Whether any similarity in respect of both charges -Whether trial judge misdirected himself when acted on evidence of first charge to prove knowledge of trafficking charge -- Principles relating to similar fact evidence -- Evidence Act 1950 ss 14 & 15