The net result of the long police investigation is that the identity of the killer is still a complete mystery.

警方经长时间调查，结果凶手的身分仍全然不知。

youdao

The net result of the long police investigation is that the identity of the killer is still a complete mystery.

警方经长时间调查，结果凶手的身分仍全然不知。

youdao