I am looking into a case that happened in bristol in 1957 murder case and come to a lose end can any one help?

it is the case of the babes in the wood that went missing and was found murdered in the same year, the thing that is really puzzling is that all the people that are involved in this case are after 54 years this month as the children in this situation went missing on the longest day 20th june 1957 and was found dead on the 1st of july in 1957 , i am working on it along side my friend ,trying to find out the truth as this has never been solved if any one can help me out then please do many thanks from zoe