Duwayne Henry , 34 , lured prostitutes to his home in London , east Hackney . He threatened , tied up and repeatedly raped victims in 14-month spree . His final victim escaped with help of passer-by who heard her screams . She told officers Henry had said ' I 'm invisible , I 'm the Ripper ' during attack . Police found 'torture chamber ' with seven knives and saw in his bedroom . Believe he planned to use tools on final victim before he was interrupted . The serial rapist was jailed for life at Blackfriars Crown Court yesterday . Are you the mystery hero , or do you know who he is ? Please email gemma.mullin @ mailonline.co.uk .
Duwayne Henry , 34 , lured prostitutes to his home in Hackney , east London . He threatened , tied up and repeatedly raped victims in 14-month spree . His final victim escaped with help of passer-by who heard her screams . She told officers Henry had said ' I 'm invisible , I 'm the Ripper ' during attack . Police found 'torture chamber ' with seven knives and saw in his bedroom . Believe he planned to use tools on final victim before he was interrupted . The serial rapist was jailed for life at Blackfriars Crown Court yesterday . Are you the mystery hero , or do you know who he is ? Please email gemma.mullin @ mailonline.co.uk .