Met officer guilty of rapes and sexual assaults

A Metropolitan Police officer who worked on domestic abuse cases has been found guilty of a series of rapes and sexual assaults.

Dion Arnold, 33, of Camberley, was convicted of four charges of rape, two of assault by penetration and two of sexual assault following a trial at Guildford Crown Court.

The Met Police said Arnold will face a misconduct hearing, adding that he "remains suspended from duty".

Claire Gallagher, senior crown prosecutor from the CPS, said: "These women believed that, as a police officer, they could trust Arnold and would be safe with him. He abused that trust in the most appalling way."

Arnold worked in a unit dealing with domestic abuse and was an Army reserves medic.

Surrey Police, who investigated the case, said there was no indication that he met any of the women through his role with the force.

He met some of the women he assaulted through online dating apps, prosecutors said.

One woman reported him in March 2025 and following his arrest, an examination of his phone revealed a list of women's names, the CPS said.

When contacted, three unrelated women came forward with allegations of rape or sexual assault.

The women told the jury that they felt pressured by Arnold and had to submit to him and that when they repeatedly asked him to stop, he ignored them, the CPS said.

Gallagher said: "As a police officer working with victims of domestic abuse, Arnold knew exactly what the law of consent means. These women asked Arnold to stop and he knew that, even referring to it in messages between them.

"The impact that Arnold had on these women cannot be underestimated. One told him in messages that he had 'destroyed and broken her', while another described feeling 'powerless' and that she had no option but to submit. In law, that is not consent.

"Arnold deliberately targeted women that he thought would not stop him and would never have the courage to report him. They have proved him wrong and have seen him brought to justice for his appalling crimes."

Met Police Ch Supt Dan Knowles, who leads policing in the South West where Arnold worked, said the victims had shown "enormous courage by coming forward and giving evidence in court".

"Their testimony has played a crucial part in his conviction and in ensuring that he won't be able to treat any other woman in this deplorable way," he said.

"We are sickened that PC Arnold carried out these horrendous crimes while serving as a police officer in the Met, something he deliberately told the victim-survivors from the outset so that they would have more trust in him.

"We do not underestimate the impact that cases like this have on the confidence that women and girls have in our organisation but would encourage anyone in a similar situation to report allegations."

He added that they had grown their professional standards teams "to ensure we are robust in investigating matters at the earliest opportunity".

He said that they now had more officers who were "specifically and proactively focused on uncovering and dealing with wrongdoing, including our specialist Public Protection team".

Arnold will be sentenced at Guildford Crown Court on 22 June.

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