Warning: graphic content follows. Slain Hong Kong socialite Abby Choi Tin-fung could have been fatally struck with a hammer that contained her ex-husband’s DNA when it was seized from a rural village flat where her dismembered remains were found, a court has heard. Wrapping up their case as the murder trial entered its sixth week, prosecutors highlighted forensic findings and surveillance camera footage showing the movements of Choi and three of her former in-laws before and after her alleged...