GW is in Whitechapel where a large number of women were brutally murdered in this run-down part of London in 1888. And five murders are attributed to the most famous serial killer in world history - Jack the Ripper.
Leif heads to the county of Wiltshire in southwest England to visit the small idyllic village of Rode, formerly known as Road. He makes the same journey as one of Scotland Yard's most talented detectives - Jonathan "Jack" Whicher.
In the third episode, Leif visits an address that has really etched itself into English criminal history - No. 10 Rillington Place in the district of Notting Hill, just north of London city.
The story of Dr Crippen, how lived with his wife Cora in Camden Town is the most talked about in Uk. And one day was Cora missing and her friends reported the disappearance to the police as Crippen took it whit a lack of commitment.
Leif GW Persson travels north in England to the suburb of Scotswood on the outskirts of Newcastle. In 1968, the eleven-year-old girl Mary Bell lived there, who that year murdered two little boys.
Saddleworth Moor - is just outside Manchester, where Leif initially tells how in the mid-1960s the police found several bodies after dead children. And then a terrible murder story unfolded
