<prompt> Translate the following text to Swahilibut she was a killer and the the character was you know prior to that had had been someone that had killed other people but no one knew that  <response>: Hata hivyo, alikuwa ni muuaji, na mtu huyo alikuwa mtu ambaye alikuwa ameua watu wengine, lakini hakuna mtu aliyejua. 