 During his incarceration, he worked actively in the hospital's drama activities, and employed murderer Reginald Owens as a flunky.True died there in January 1951.True's crime, incarceration, and relationship with fellow murderer Richard Arthur Prince in Broadmoor Hospital was the subject of a play, "Lullabies of Broadmoor", performed at the Finborough Theatre, close to the site of Olive Young's murder, in 2004.