The former mother-in-law of slain Hong Kong socialite Abby Choi Tin-fung has been jailed for 1½ years for obstructing a police investigation into her son after the model’s murder came to light two years ago. The District Court on Tuesday ruled that Jenny Li Sui-heung, 66, deserved a deterrent sentence for attempting to prevent police from locating Alex Kwong Kong-chi and persuading Choi’s mother to remain silent about his whereabouts. Judge Stanley Chan Kwong-chi described Li as a doting parent...