A middle-aged housewife becomes the victim of a nightmarish murder.

The clown pulls out a gun and shoots her one bullet right in the face.

It was so out of the ordinary.

You know, something as benign as a clown would knock on the door.

Just was such a tragic twist. This was something personal.

The investigation uncovers dark secrets and deadly desires.

You've got sex and you've got violence.

They were having an affair and had been going on for some time. But as the case grows stagnant, a killer lurks close to home.

She said, if anything ever happens to me, know that he had something to do with it.

This is the act of a sociopath. This is the act of a cold-blooded killer thinks they can conceive everyone for the next 27 years. Yeah, I mean, I really don't want to talk to me. Okay. Do you want to know what you're charged with? Yeah. There was no doubt. I saw the eyes that the killer that did it. May 26, 1990. It's a sunny Saturday in Wellington, 1990.

It's a sunny Saturday in Wellington, Florida, an affluent village located just a few miles from West Palm Beach.

Wellington is a place like no one else lives. It was a paradise. You know, it was peaceful. It was a slice of heaven.

This was a neighborhood with big houses, big yards,

and it got its name, Arrow Club,

because it had a private airstrip,

and all the houses out back had hangers.

In one of the area's largest homes,

40-year-old Marlene Warren is enjoying the morning

with her 21-year-old son, Joe Arons, and his friend.

The night before, we ran into some friends that I haven't seen in a while.

My mom said, hey, well, why don't you come out to the house and stay?

We woke up 8 o'clock, 9 o'clock, something like that.

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