Cold case investigator Pat Brown could be on the trail of an ancient killer.

悬案研究人员布朗也许正在追踪一位古代的凶手.

Jack the Ripper is the world's most famous cold case - the identity of the man who brutally murdered five women in London's East End in autumn 1888 remains a mystery.

1988年秋，开膛手杰克在伦敦东区残忍的杀害了5为女性，他的身份至今仍是一个谜，而此案也成为了世上最著名的悬案。

As a cold case homicide investigator, I noticed this particular crime scene inside.

作为一名已事过境迁的杀人案件的调查者, 我注意到了这个特别犯罪场景的内情.