nearly one in three prisoners across the world are behind bars without a trial, according to a un report. nigeria is one of the worst cases. about 75% of the country's inmates are still awaiting trial. this causes severe overcrowding of prisons, where conditions inside cells can become deadly. officials say the overcrowding is also partly responsible for a series of recentjailbreaks across the country. the bbc�*s ishaq khalid visited the southern city of port harcourt and spoke to some of the people affected. a long—awaited freedom. patrick moses is rebuilding his life. after spending the last six years in prison without trial. when i came out, ifelt like this is a new world. i'm out now. i'm in a different place.