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and rape and or sexual assaults. 14 counts of sexual harassment. There were 27 offences against vulnerable victims. These are officers who have been called to take statements to attend to vulnerable women in times of distress. When a public servant employed to combat crime themselves commits a crime, how does the public find out? And how do they retain trust in the force?

You're listening to stories of our times. From the times and the Sunday times. I'm Jane Malkerrens. Today, the police officers breaking the law.

I'm David Wood and I'm the crime correspondent for the Times. I'm Fiona Hamilton. I'm the chief reporter at the Times. And before that, I was the crime and security editor. And how long did you do that for?

A very long time. About six or so years, but I covered crime for over a decade.

David, can you tell us a little bit about Sam Grigg? Who is he? And what did he do?

Sam Grigg was a metropolitan police officer based at Mitch and police station in southwest London. And in December last year, he was charged with false imprisonment and assault.

And what had he done?

He had tied his female housemate up without her consent. She was making lunch one afternoon and without warning or explanation, Grigg approached her and tried to tie her hands behind her back.

She repeatedly resisted, just in what he was doing and he paid to find it funny. He succeeded in tying her hands and then he lifted her up, took her to a sofa where he taped her mouth and bound her legs.

She managed to work the tape away from her mouth and he was only interrupted when someone knocked at the door.

The court was told that the young woman crawled to the kitchen where she tried to open a kitchen cabinet.

When he eventually cut her free, he accidentally cut her on her ankle. And she told him, don't do that again. And he said, what are you going to do? And she said, well tell somebody.

He said, who are you going to tell? I'm the police.

And did she ever tell the police?

Yes, she told the police, I think four days later. And Grigg was arrested during a search of his home.

They found two police issue handcuffs, two lock buttons. They found a gag, a ball, two rolls of duct tape and another pair of handcuffs.

David is just absolutely horrifying. I mean, on its own, it's a horrifying story. But this is just one of 145 stories that you've pulled together in an investigation about the conviction of police officers. How did you start?

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