
Steel Town Murders: In 1973, three girls were murdered in Wales. Decades later, in 2002, Joseph Kappen is found guilty, making him the first Welsh killer identified posthumously. (S1, ep 5)

Steel Town Murders: In 1973, three girls were murdered in Wales. Decades later, in 2002, Joseph Kappen is found guilty, making him the first Welsh killer identified posthumously. (S1, ep 5)

Steel Town Murders: In 1973, three girls were murdered in Wales. Decades later, in 2002, Joseph Kappen is found guilty, making him the first Welsh killer identified posthumously. (S1, ep 5)