A prison officer has been jailed for having a fling with an inmate who murdered an 87-year-old war veteran.
Rachel Welburn, 39, and killer Daniel Crompton, 29, had sex in a cleaning cupboard in the prison during the 18-month affair, a court was told.
Jailing her for a year, a judge said the relationship would be “hugely upsetting” for the murder victim’s family.
Durham Crown Court was told Crompton blew the whistle on the fling after realising last year Welburn would break her promise to dump her husband – also a warder at the jail.
Her initial claim that Crompton raped her unravelled when police found their love letters.
The mum, of Spennymoor, Co Durham, admitted misconduct in public office over the affair at nearby Frankland jail.
Miss Kidd told the judge: “She cannot explain why she behaved in this way.”
Crompton is serving life for murdering Second World War veteran Frank Worsley after breaking into his Bolton home in 2013 hunting for cash.
After the attack he was able to tell officers before he died: “This incident really frightened me.
“I thought the male was never going to stop hitting me. No person has a right to enter my home and take my belongings and hit me.”
Sentencing, Judge Christopher Prince said: “The public do not expect prisoners, irrespective of the offences they have committed, to be engaging in sexual relationships when they should be serving their sentences.”
In a statement following his death, Mr Worsley’s family said: “We could be more accepting of his death if it had been of old age, peaceful and dignified.
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“Instead it wasn’t peaceful, he wasn’t comfortable, he was scared, agitated and distressed as a result of this callous attack.
“He was in pain and there was nothing that could be done. It wasn’t easy to watch him lose his fight for life over the following two and a half weeks.
“We are very pleased with the verdict, although we will never fully recover from this traumatic loss.”