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For countries ravaged by war and natural disasters, international charities and aid agencies are a lifeline.

But what if the people delivering aid become part of the problem?

Some perpetrators join up with aid agencies to be able to have their way in a society that has largely broken down.

Three years after a major times investigation shook the aid sector when it revealed a sex scandal at Oxfam, the problem persists.

The Times has now learnt that Oxfam's mission in the Democratic Republic of Congo has been plagued by allegations of fraud, bullying, sexual harassment, assault and even attempted poisoning.

They've been reporting concerns about serious misconduct and power abuses that have been taking place within Oxfam in the DRC for at least six years.

You're listening to stories of our times from the Times and the Sunday Times.

I'm Manvin Ronner. Today, the Oxfam scandal in the DRC.

It started really with just a text message from an unrecognized number.

Somebody saying, is this Sean O'Neal of the Times?

That, if you hadn't guessed, is Sean O'Neal of the Times.

He's our chief reporter and a crack investigative journalist.

A colleague recommended I get in touch with you with regard to Oxfam.

Are you interested to which my answer was yes?

The Texter was one of a group of whistleblowers who had become concerned about the conduct of Oxfam in the Democratic Republic of Congo.

They alerted Sean to the existence of a letter.

It's quite extraordinary.

The letter was forced.

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