The bereaved family of a woman killed during last year's subway stabbing rampage has sent a letter of gratitude for the police officers in charge of the case, Suwon Nambu Police Station said Saturday. Kim Hye-bin, who was a 20-year-old college student at the time, was one of two victims fatally injured by then-22-year-old Choi Won-jong near Seohyeon Station in Seongnam city, Gyeonggi Province on Aug. 3, 2023. Fa.