The English county of Greater Manchester is home to over two million people. Located in the North West, it is the third most populous county in the UK after Greater London and the West Midlands. According to the GMP - Greater Manchester Police -, around 200,000 reports of crimes are filed every year, and although homicides make up a relatively small proportion of the total number, many of those most violent offences remain unsolved. In today’s video, we aim to shed light on a few of these lesser-known stories as we explore four spine-chilling unsolved cases from Greater Manchester, England.