Some people are really very very dumb!

Prison officer sacked after 13 criminals found to be his Facebook friends, including a murderer!

A PRISON officer has been sacked after 13 criminals, including a murderer, were discovered among friends on his Facebook page.

A photo on the social networking website showed Nathan Singh, 27, with a drugs dealer and fraudster at Cheltenham races, London’s The Sun reports.

Singh was a residential landing officer in England’s Leicester jail, which holds just under 400 prisoners.

Five months after he joined the Prison Service in January last year, an investigation was launched because Singh was suspected of supplying mobile phones and other banned items to inmates.

The probe, codenamed Operation Earlgrey, failed to find any evidence that Singh was involved in smuggling contraband — but it did reveal his Facebook contacts.

Of the 13 crooks listed, seven had been in prison for murder, drugs offences, fraud, affray and theft.

Idiot…