Killer cop Wayne Couzens is said to be demanding compensation for his parents after he was denied a birthday present sent to prison.

The ex-policeman, who kidnapped and murdered Sarah Everard in March 2021, is calling for his mum to his reimbursed after clothes and a book she sent to HMP Frankland for his 51st birthday failed to reach him, according to reports on MailOnline.

It claims that Couzens, who lived in Deal before he was jailed, had previously been allowed a similar gift from home and did not understand why he was denied his present this time.

Officials at the high security prison, which is also home to child killers Ian Huntley and Roy Whiting, explained he was given the first package while he was still settling in but the rules state prisoners are not allowed to receive gifts from home.

Couzens, who is serving a whole life jail sentence for the kidnap, rape and murder of Ms Everard, claimed the rules were never explained to him and filed an official complaint with the Prison and Probation Ombudsman, an official body which represents prisoners’ rights.

A source told the Mail: “Just a year on from getting his life term he was writing busybody letters of complaint about not getting a birthday present.'

“His complaint was based on his parents, how it had inconvenienced them and potentially left them out of pocket. But it was absolutely dripping with self-pity.

“In even hinting that the present should have reached him he was effectively asking for special privileges which other prisoners wouldn't get. The whole episode was unbelievable.”

The Prison Ombudsman did not comment on whether they followed up Couzens’ complaint.

On March 3, 2021, Couzens, then a serving Metropolitan Police officer, snatched marketing executive Ms Everard as she walked home in south London, using his status as a police officer to trick her into thinking he could arrest her for breaking lockdown rules in place during the coronavirus pandemic.

Couzens was a special constable with Kent Police from 2006 to 2010, before becoming an officer with the Civil Nuclear Constabulary in 2011, and then moving to the Met in 2018.

Last month Couzens was sentenced to a further 19 months in jail for three offences of indecent exposure in a case heard at London’s Old Bailey.

The court heard he was supposed to be working from home when he exposed himself to a female cyclist in a country lane near Dover in November 2020.

He went on to expose himself to two female attendants at a fast-food takeaway in Kent, with the last incident just days before he snatched 33-year-old Ms Everard.

Couzens pleaded guilty to three charges of indecent exposure with three further counts to lie on court file.