Judith Tebbutt was kidnapped and her husband David murdered in 2011 . Ali Babitu Kololo was found guilty of robbery with violence in Kenya . 35-year - old claims he was beaten by police and refused to confess . The UK is willing to seek assurance that death penalty will not be imposed when helping with overseas prosecutions . Father - of - two wants documents released by Scotland Yard to help with appeal . If released the key documents could help overturn Kololo 's conviction .
Judith Tebbutt was kidnapped and her husband David murdered in 2011 . Ali Babitu Kololo was found guilty of robbery with violence in Kenya . 35-year-old claims he was tortured by police and forced to confess . The UK is required to seek assurance that death penalty will not be sought when helping with overseas prosecutions . Father-of-two wants information held by Scotland Yard to help with appeal . If released the key documents could help overturn Kololo 's conviction .