Herts murders that changed society in the UK

On the 9th March 1899 sleepy Hertfordshire woke up to find that two terrible murders had been committed in the County, little did the residents know that the ramifications of the cases would change society in the UK. Nik Pringle, a Retired Herts Police Officer unravels the cases and explains how two simple murders and the changes they brought on would benefit society in the UK for the best part of 3/4 of a Century.