Why Zodiac killer hasn't found?

The zodiac killer is probably dead by now. Since he killed people in the 60’s and 70’s.

I heard witness and police almost certain who the killer was, but the man died without proving it. So I guess it's considered not found.

Unsolved homicides due lack of direct evidence. Only suspect(s) investigators connected by weak circumstantial evidence.

Like any Mystery it has many theories and researchers trying to solve the case. Several Movies, documentaries and books about the Zodiac killer.

https://www.history.com/news/the-zodiac-killer-a-timeline

Zodiac killer sent cryptic messages to authorities and did a interview. Recently a armature broke the code and the messages translated.

https://sanfrancisco.cbslocal.…ved-amateur-codebreakers/

A real True Crime story people find interesting. I just watched the movie and found out the places the murders took place are only a few miles away.