简介：<p>London1864.OnaHackneyboundtrain,aguarddiscoversbloodinafirstclasscarriage-andabodyontherailwayembankment.Forthefirsttime,amurderhastakenplaceonBritain’srailways.Overahundredyearslater,thissingledocumentaryforBBCTwousesthefirsthandtestimonyofthepeopleinvolvedatthetimetoexplorethisuniqueeventandhowitprovokedahugepublicoutcryanddebate.Thestoryquicklybecameanewssensationasthedangersofthebravenewworldofthetrainwerelaidbare.Overahundredyearslater,thewitnessestothisstorymaybelongdeadbuttheirwordssurviveincourttransc<x>ripts,memoirs,lettersandvividjournalism.Thesetestimoniesarenowusedtotellthestory,takingthedocumentarydeepintothenineteenthcenturytomeetanextraordinarycrosssectionofreal-lifeVictorianLondon-fromtheenginedriverwhofoundthebodytothedetectiveinchargeoftheinvestigation.WhokilledMrBriggs?</p>…