Whilst she was on remand before the trial,, Joanna Dennehy was housed in segregation at HM Prison Bronzefield, a Category A prison in Surrey. Prison staff found an escape plot in her diary which his involved killing or seriously injuring a prison officer, cutting off one of the officer’s fingers and using the amputated finger to fool the biometric system in the prison. Because of the plot, Dennehy was placed in solitary confinement from September 2013 (before the court proceedings) to September 2015 (after the proceedings). She claims isolation left her 'tearful and upset' and led to self harm.
