The gruesome murder that's remained a mystery for 44 years: Two 11-year-old best friends went to play in the sunshine in 1980, 15 minutes later their bodies was found under a mattress -  and their families fear they'll never get justice

John Greenwood and his best friend Gary Miller went missing in Whiston, Merseyside, in August 1980 after they went out to play after tea on a sunny summer evening. They were found beaten