An international crime series featuring some of the most prolific and mysterious murder investigations of all time. Every country has its serial murderers and cold-hearted killers motivated by money, jealousy or revenge, and every country has its detectives, lawyers and forensic scientists dedicated to piecing together clues, solving mysteries and bringing forth justice. From Britain to Belgium, and Austria to India, each episode follows a major story that shook the world, told from the point of view of those who were there. This shows how a small number of evil individuals can cause chaos and heartbreak and uncovers how they were brought to justice.