All crime fans are invited  to the launch of Liz Porter's latest forensics book. This time her focus is Asia. Crime Scene Asia: when forensic evidence becomes the silent witness contains 16 cases from Singapore, Malaysia, the Philippines and Hong Kong, and one from Sydney, in which a Singaporean spent spent eight years in jail for a murder before being acquitted and freed because of forensic evidence – and some terrific work by Sydney barrister David Dalton SC in the Bali…