![](https://image.tmdb.org/t/p/original/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![](https://image.tmdb.org/t/p/w342/mcF6Uq67VZ5kz3DK3NSXv6x4vfk.jpg)
John Duffy and David Mulcahy
Profiling rapists and serial killers John Duffy and David Mulcahy, who together attacked numerous women at railway stations in the south of England through the mid-1980s, killing three.
![](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
Other episodes for this season
![Robert Napper](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![John Duffy and David Mulcahy](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Gerald and Charlene Gallego](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Levi Bellfield](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Tony Costa (Cape Cod Casanova)](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Richard Cottingham](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Cleophus Prince Jr. (Prince of Darkness)](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Sean Vincent Gillis (Dead End in Baton Rouge)](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Timothy Wilson Spencer (Twisted Tourniquet)](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![David Gore and Fred Waterfield](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![David Carpenter](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
![Bobby Joe Long](https://image.tmdb.org/t/p/w300/hrN1GldiSFFTcKblCaep9uJdFeG.jpg)
Profiling rapists and serial killers John Duffy and David Mulcahy, who together attacked numerous women at railway stations in the south of England through the mid-1980s, killing three.