This is a Restartez production.

In the late 1960s and early 1970s, an unknown man killed at least five people in Northern California.

In his last letter to police, he claimed to have killed 37 people.

Despite years of communication with both police and newspapers, he was never caught in his identity was never confirmed.

Today, we are going to dive into the case of the Zodiac Killer.

This is Red Webb.

Zodiac!

This is big. This is a big one.

I'm excited for this one, Frato. And you know why.

Even I've heard of this one. There's a movie about it and everything.

Jake Chilinhal, Robert Downey Jr.

It's in my hometown as well, so.

In your hometown of San Francisco, everybody that's Alfredo Diaz.

I'm Trevor Collins every week. We explore a different unsolved mystery from the internet, from the world and beyond.

Sometimes a little bit of the alien slip in there, you know. Sometimes the cryptids.

Yeah, sometimes they get real crazy and fun with it.

But man, I'm excited for this one. I'll be honest.

Sometimes I get a little butterflies, I get a little nervous when I record this show.

But this one, I'm like, I'm giddy.

I'm a little nervous, a little like giddy for this one.

Because it's so fascinating.

And just like all of the pieces of evidence, the stories, the eyewitness accounts, the suspects,

...