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The party is raging.

Drinks flowing, laughter echoing.

But this isn't your standard night out.

It's all happening inside prison.

Join me, Amber Hack, for a shocking case of forbidden love,

hidden corruption and a million pound drug boss. You don't think it can happen to you, but it does.

Gangster presents sex, drugs and cell block parties. Listen on BBC Sounds.

Hello listeners, just a quick warning that today's episode will have violent scenes from the beginning and throughout, so listener caution is advised.

We're travelling to the deepest depths of rural Ireland for today's case.

We're in County Mayo in a tiny isolated townland called Mam Trasna, which is hidden

amongst the Partry Mountains. It's August 1882 and there are roughly 100 people living in

Mam Trasna. Everyone in this townland is a farmer which means they have to deal with the rough,

unforgiving landscape every single day. The families here live in small two-room huts, measuring about 25 by 15 feet.

These huts are shared not only amongst several family members, but livestock too.

The people of Mammatrasna usually keep their cows and sheep inside the house at night,

as theft is not uncommon.

At 6am on the morning of August 18th, a man called John Collins begins walking up the road to a hut belonging to his neighbours, the showigas.

He's looking to borrow a wool corridor, which is a brush used to prepare wool for weaving.

As John approaches the showag his hut, he sees something alarming.

The front door, which is usually bolted from the inside, has been forced open.

It's hanging off its hinges. As John keeps walking, he feels a sense of dread rising up in him.

...