Just a warning before we start. This episode contains strong language and deals with sexual abuse.

Listener discretion is advised.

Last time on the tip-off.

You immediately start thinking, what was it that I was really seeing back then?

I hadn't spoken to her before the interview.

I'd read her account for what had happened.

But it was meeting her and talking to her.

That was it then.

I absolutely knew that she was telling the truth.

As I left the interview, she said to me,

the BBC will stop this.

They won't let you put this out.

I'm Mav MacLenigan, and this is the tip-off.

This is the second part of a two-part special.

Last time, we heard how Marian Jones and Liz McKean were deep into an investigation for Newsnight. They were talking to several women who alleged that popular children's

entertainer Jimmy Saville has sexually abused

them decades earlier. They had followed clues online and made contact with many people,

including getting a vital on-screen interview recorded with a woman called Karen Ward.

They knew this story could be huge.

And all of this is going on while their BBC colleagues in the Daily News teams are reporting on Saville's recent death.

Even his funeral was splashed across the news, a bombastic affair involving a gold coffin in Leeds Cathedral.

His coffin, which was carried into the cathedral by Royal Marines, was first driven around some of his favourite places in the city,

...