People, we're in London. Many people associate the capital of Great Britain with Big Ben, Buckingham Palace, and Harry Potter. But at one time, the most dangerous criminal was on the loose here. He terrorized the whole of London, which at that time was a haven for many migrants. They tried to catch him, but he seemed to be playing games with the police, continuing his horrific crimes. He did this on the streets and in building entrances. And every time, he managed to escape. In this episode, we'll find out how this criminal operated and why it was even possible. This is Lyadov from London, on the trail of one of Britain's most mysterious criminals! This is not just a travel channel. This is a collection of documentaries about the lives of people in different parts of our planet. Here you will not see beautiful staged images. This channel is about something else. About reality, honest and sometimes frightening.