HARARE - A ZIMBEBWEAN woman killed her infant son and sold one of his ears for US$20 (S$27.95) to a traditional healer wanted for ritual murders in neighbouring Mozambique, police said on Thursday. 'We can confirm that the woman Christine Hofisi from Chipinge (near the Mozambican border) strangled her 18-month-old son to death and cut off his left ear,' deputy national police spokesman Oliver Mandipaka told AFP. 'Hofisi sold the ear to a traditional healer notorious for ritual murders in Mozambique. She sold the ear for US$20 but was given US$10 with the balance to be paid later. 'She is...