Martin Kemp examines the case of Frederick and Rosemary West, a married couple who killed at least ten young British girls, many at their home in Gloucestershire.
Martin Kemp examines the case of Dennis Rader, known as the BTK strangler. He bound, tortured and killed his ten victims in Kansas, terrorising his town for over 30 years.
Martin Kemp examines the case of Peter Sutcliffe, known as the Yorkshire Ripper, convicted of murdering 13 women between 1975 and 1980 in the North of England.
Martin Kemp examines the case of Dennis Nilsen, also known as the Muswell Hill Murderer, who killed at least 12 young men between 1978 and 1983 in London.
The hunt for the Suffolk Strangler, who murdered five prostitutes in the Ipswich area during 2006, lead to the largest manhunt since the Yorkshire Ripper.
Japanese serial rapist-murderer Joji Obara was discovered when Tokyo police began investigating the disappearance of British bar hostess Lucie Blackman.
