they call it charm city but right now baltimore is rhode islandroiled inturmoil. shaken the community's faith in law enforcement. it is a devastating story and no less shocking than another baltimore case that has put prison guards behind bars. "america tonight"'s adam may reports when law enforcement officers became partners in crime with inmates. >> does this play into the corruption that happens here? >> i think it plays a vital role. >> until now ralph johnson has never talked on national tv about what he witnessed as a supervising corrections officer at the baltimore city jail. >> people from the neighborhood that become correctional officers and inmates that become correctional officers. >> an institution recently overrun with sex drugs and corruption. >> what happened? >> it really blows old out of control in 2004 when the state started hiring 18-year-olds. >> i thought that was kind of crazy. how can you have an 18-year-old who does not have any experience on life, and you put him on a section of seasoned inmates and suspect nothing is going to happen to t