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, wh…