In 1864, the body of a wealthy banker was discovered on the tracks the death of Thomas Briggs was no accident - it was the first murder on a British railway.

Percy Lefroy Mapleton was a talented young writer. But he was also a liar, a thief and a fantasist.

On a September night in 1895, two railway policemen surprised a gang of thieves A vicious fight broke out and Detective Sergeant Robert Kidd was stabbed to death. It was the first time a railway police officer had been murdered in the line of duty.

In 1910, the city of Newcastle was transfixed by a murder trial. A clerk had been killed on a train and his wages bag stolen with hundreds of pounds inside.

Jimmy Alcott was a troubled young man. But would Alcott escape the noose a second time? 

It is one of Londons great unsolved mysteries. She was an extraordinary woman. And somebody wanted her dead.