Ho Kien Mun also avoided calls from the police investigators, saying he thought he was being scammed.   SINGAPORE: A man kept avoiding paying for goods by using cheques that he knew would bounce to foot more than S$26,000 (US$20,190) in phone bills and using an altered PayNow screenshot to buy Viagra from a clinic. Ho Kien Mun, a 56-year-old Singaporean, was sentenced to 11 weeks' jail on Thursday (Sep 25). He pleaded guilty to 11 charges of cheating, with another 19 charges taken into