Recreational weed user gets jail and caning for trafficking cannabis Toggle share menu Advertisement Bags of cannabis. (Photo: REUTERS/Shannon Stapleton) 29 Jun 2021 12:50PM) Share this content Bookmark SINGAPORE: A "recreational" cannabis user of about four years was given five years and nine months' jail and five strokes of the cane on Tuesday (Jun 29) for trafficking the drug. Derek Koh Kai Sheng, a 23-year-old fish breeder, obtained the drug from a supplier and intended to sell a brick of it for S$350. Advertisement Advertisement The court heard that Koh used cannabis on and off for about four years until his arrest.