Definition: someone who kills another person Level: B1
警方仍在希望能找到杀害那名女子的凶手。
Police are still hoping to find the dead woman's ___killer.
侦探最终确认了凶手的身份。
The detective finally identified the ___killer.
证据指向了一名连环杀手。
The evidence pointed to a serial ___killer.
