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A group of men ran in with machetes.

I'm Livy Haydock, and from BBC Sounds and BBC Radio 5 live, this is gangster.

The story of Georgie Pye.

The scene of the killing near a Chinese bookshop is being flooded with detectives.

Welcome to the world of the triads.

If the triads are coming out of you, you're done.

Where loyalty is sworn in blood.

Gangster, the story of Georgie Pye.

Listen first on BBC Sounds.

It's around 10.30pm on the evening of the 18th of September 1877.

George Barnhart, the station manager and telegraph operator at the Big Springs train station is settling in to what seems to be a quiet night.

Big Spring Station is found in the middle of the Nebraska Plains. It's an isolated stop with very few houses or people

close by. George's evening will be soundtracked by the sounds of crickets chirping, the occasional bark

of coyotes and a few whistles from the steam trains passing through.

Big Springs is a popular stop at the Transcontinental Railroad because it's placed with a large

natural water supply which is obviously an essential resource for steam engines.

Many trains stop at the Big Springs to fill up their water tanks before continuing the

350 miles east to the final stop on that line, the city of Omaha, on the border between Nebraska and Iowa.

George settles back into his chair, keeping half an eye on the telegraph machine, enjoying the peaceful sounds within Nebraska planes.

But George's peace is short-lived.

Six men burst through the door at George's office.

...