Michael Ross was just 15-years-old when he shot Shamsuddin Mahmood in the face and fled, but police caught up with him a decade later.
The case of the killer Malcolm Green, who murdered women and dumped their dead bodies in bags.
A secret love triangle led to Jack Campbell murdering his love rival in a siege which shook Orkney Island.
A profile of the serial killer John Cooper, who murdered four hikers and terrorised camp sites for decades, raping and robbing campers.
Looking back at the case of the murderer Graham Fisher, who stabbed and then ate two of his young victims in the summer of 1998.
Looking back at the case of Lithuanian murderer Vitas Plytnykas, who killed a fellow worker in Scotland, leaving her severed head to be found on a beach.