Investigating the most notorious murders ever to take place on the British railways, beginning in 1864 when wealthy banker Thomas Briggs was the first murder victim on a British railway.
In 1881 Percy Lefroy Mapleton, a talented young writer became fixated on a beautiful stage actress.
The first time a railway police officer was murdered in the line of duty.
In 1910 the city of Newcastle was transfixed by a murder trial.
The story of Jimmy Alcott, a troubled young man who, in 1952, staked out a railway station and plotted a theft that would end in murder.
In May 1957 an elderly Polish Countess was travelling home from a party when she was attacked at Gloucester Road Tube station.