A Vietnamese technical intern was arrested Sunday for allegedly killing a woman during a robbery at her home in the southwestern Japan city of Imari, police said.Food processing worker Dam Duy Khang, 24, is accused of killing and robbing Maiko Mukumoto, a 40-year-old Japanese language teacher in Saga Prefecture, at her home on Saturday. He was sent to prosecutors on Monday.Mukumoto's mother, aged in her 70s, sustained injuries to her neck in the attack.Police seized a blood-covered knife from the suspect's dormitory near the crime scene in Imari. The man refused to answer questions after hi…READ FULL ARTICLE