across the mississippi clifton walker was killed. 50 years later his family is seeking closure. >> in the backwoods of mississippi, two sisters returned from a dark place to their childhood. >> we lost our father here. my mother lost her husband here. today is an opportunity to say, "daddy, we are still seeking the truth." >> in 1964 cathy and shirley's father clifton walker was driving down the road when ambushed by white men and shopped. these women were barely teenagers, but despite that, the first contact with the fbi was a letter saying they were closing the case. >> you handed me a letter saying you were closing the case, but never met with the family to discuss findings, interviews, concerning our father clifton walker. >> it's an outcome that doesn't surprise cold case reporter ben greenberg, and spent years investigating the walker murders. he says the fbi agents didn't have the resources or will to investigate the killing. >> this is an opportunity to wage the wore -- war on america's demands from the past. the opportunity to bring that to history is diminishing that. at the

for many in the deep south, cases like clifton walker's murder are a open wound.some it's a wound that will never heal. >> we want the world to know we will never stop. >> we can't say it's justice. it will never be served. >> justice has not been served. >>> still to come on al jazeera, just a warning if you are english, you better look away. >> to get the ashes back is special because of the work that has been put in over a long period of time. >> details coming up in just a moment with jo. ♪ >>> so it turns out that anti-bacterial soaps could do more harm than good to your body. one of the chemicals found in many of the soaps may cause health risks. >> reporter: for years u.s. manufacturers have advertised to get rid of dangerous germs, anti-bacterial soaps are the answer. but now the u.s. food and drug administration says there is no evidence to back up those claims. it says one key ingredient found in most anti-bacterial soaps may even be dangerous. even after an environmental group accused the fda of relaying action, did the agency take action. >> we're worr

. >> in 1964, kathryn and shirley's father clifton walker was driving down this road when he was ambushed by a group of white men and shot. these women were barely teenagers at the time and despite a lengthy investigation, the first contact with the fbi is when they were handed a letter telling them the case was closed. >> you located me to bring me a letter a stating you are closing the case, yet, you never took time to meet with our family. to discuss any findings or any interviews concerning our father. it's a outcome that does -- who spent year investigating the walker murder. he claims the fbi agents didn't appear to have the resources or will, to thoroughly investigate the killing. >> this is an opportunity to wage the war on america's demons. from it's racist past, and that has not been delivered and the opportunity to bring that to bear this history, is diminishing every day. >> the fbi's headquarters in washington we put those accusations to the man now in charge. adam lee say says the aim s to prosecute, but even when that doesn't happen, he says the project is a success. >> in

. >> in 1964, catherine and shirley's father, clifton walker was ambushed by a group of white men andhese women were barely teenagers at the time and despite a lengthy investigation, the first contact with the f.b.i. was when they were handed a letter telling them the case was closed. >> you located me to bring me a letter stating that you're closing the case, but yet, you neve took time to meet with our family to discuss any findings or any interviews concerning our father, clifton walker. >> it's an outcome that doesn't surprise cold case project reporter ben greenberg, who spent years investigating the walker murder and claims the f.b.i. agents assigned to the case didn't appear the resources or will to thoroughly investigate the racially motivated killing. >> this is an opportunity to wage the war on america's demons from its racist past, and that has not been delivered and the opportunity to bring that to bear on this history is diminishing with every day. >> at the f.b.i.'s headquarters in washington, we put those accusations to the man now in charge of the cold case initiative.