This has been so rotten and miserable and terrible and again the bad things about it is that I haven't deserved any of it.

They haven't arrested me because they can't prove a thing. I'm not the damn

zodiac. The Hello friend.

There are two different kinds of evidence in a criminal investigation.

The direct kind that leaves no question remaining on a person's guilt, and then the indirect

kind, a type of evidence that is much more complicated. Circumstantial evidence is not direct proof, but it draws a

compelling map of implication and suspicion.

As coincidences mount, they seem less like mere chance and more like a tightening web.

Enclosing itself around an individual and fostering an almost unshakable conviction that they

must be the perpetrator.

But there is a very precarious balance between suspicion and certainty and the quest for truth.

Striking such an equilibrium is a treacherous path.

The Zodiac killer has proven to be a perplexing figure, deriving pleasure from his malice

as he continued to roam the streets.

He was mocking authorities, embracingly gloating about his terrible crimes with no repercussions

and no punishment.

When a suspect finally emerged, a suspect so desperately sought, there were rays of hope and

an extraordinary level of pressure for those in charge of the hunt.

In the middle of summer 1971, a potential suspect arose within the zodiac killer investigation.

While scores of people have been investigated and questioned,

this individual was different.

This time there was someone in the spotlight,

...