Due to the graphic nature of this killer's crimes, listener discretion is advised.

This episode includes discussions of abuse, violence, and murder.

We advise extreme caution for children under 13.

At 145 am on March 8, 1990, Eddie Sada stood in the frigid air outside a subway stop in New

York.

But rather than waiting for the next train, the 22-year-old was lurking in the shadows,

waiting for Mario Roscoe, a Scorpio.

Eddie felt the rumble of the subway, the heat of the train warmed the station, sending a

gust of hot air through the grates.

As the machine trampled toward him, it squealed to a halt.

Then like clockwork, the doors slid open, and 59-year-old Mario stepped off the train with

the help of his cane.

Eddie smiled when he saw his quarry emerge from the station.

It was time.

As Mario walked slowly home, Sada stalked him from across the street, his heart pounding

with excitement.

Then like a lion springing on his prey, Eddie launched himself across the road and

barrelled toward Mario.

He placed his homemade gun against Mario's back.

There was no hesitation.

He fired.

The Scorpio sank to the ground, groaning.

...