mr. haigaid those responsible for these kinds of crimes have been getting away with it for too long. >> this impunity is a major factor in why these crimes continue. from central africa republic to yo sudan, syria, untold thousands of rapes have gone unpunished. we know one of the primary reasons for sexual violence and conflict is the difficulty of gathering evidence that can stand up in court, and the trauma and stigma faced by the survivors in the process. >> we've been hearing many stories from women and indeed men from around the world. we'll be bringing you these stories here on al jazeera english. >> hundreds of thousands of women were raped in bangladesh and many still struggle. >> these women all share the last name. it means widow. they took on the name july 25, 1971. on that day they sa troops came and killed almost all the men. then sh they said that's not all. many were raped. victims are recognized as brave women but in reality they face a huge social stigma. in this village wher