He was subsequently tried and convicted of June Anne 's murder and was hanged on 19 November 1948 .
Her murderer , 22 - year - old Peter Griffiths , was arrested three months after the crime .
murderer was subsequently tried and convicted of June Anne 's murder and was hanged on 19 November 1948 .
Her murderer , 22 - year - old Peter Griffiths , was arrested three months after the crime .