Police officers involved in wrongful rape conviction of Andrew Malkinson under investigation

Four retired police officers involved in the conviction of a man jailed for 17 years for a rape he did not commit are now under investigation, a watchdog has announced.

One of the former officers has also been notified that they are under criminal investigation for potential misconduct in a public office and perverting the course of justice, the Independent Office for Police Conduct (IOPC) said.

Andrew Malkinson, 58, was jailed for rape in 2004.

He was given a life sentence with a minimum term of seven years after he was found guilty of a 2003 attack on a woman in Greater Manchester - but he stayed in jail for another decade because he maintained his innocence.

He applied for his case to be referred for appeal by the Criminal Cases Review Commission (CCRC) on two occasions, but was turned down.

Mr Malkinson was released from prison in December 2020.

His conviction was quashed by the Court of Appeal last year after the production of DNA linking another man to the crime.

The IOPC is now investigating complaints by Mr Malkinson about Greater Manchester Police (GMP) and its rape investigation leading to his conviction.

The former officers under investigation by the watchdog have not been named.

The IOPC has said listed the four areas its investigation will focus on.

They are whether police followed the appropriate processes during the identification of Mr Malkinson as a suspect; the alleged failure to disclose information that might have helped his defence at his trial; if witnesses were offered any incentive to provide evidence; and the handling and disposal of items of evidence.

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Catherine Bates, IOPC regional director, said: "Mr Malkinson is a victim of one of the worst miscarriages of justice in British history.

"We continue to work hard to ensure his complaints are thoroughly and independently investigated."

The watchdog said serving an officer with notice they are under investigation does not necessarily mean disciplinary proceedings or criminal charges will follow.

At the end of the investigation, the IOPC will determine if there is any indication that serving police officers may have breached the standards of professional behaviour or it the case should be referred to the CPS.

A previous review found delays and failings in Mr Malkinson's case spanning years.

It said they demonstrated a "deep-seated, system-wide, cultural reluctance, which starts right at the top in the Court of Appeal, to acknowledge our criminal justice system will on occasion make mistakes, that entirely innocent defendants will sometimes be convicted".

The Criminal Cases Review Commission admitted failing Mr Malkinson and offered an "unreserved apology".

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