Right before the camera moves away from the blonde murder victim for the last time, her fingers are twitching.
The Night-club singer sings the song 'Hindustan', which was composed around 1918. These events take place in the mid-1930s, but the arrangement she sings dates from much later. It was written specially for a Bing Crosby and Rosemary Clooney LP in 1958 - it is note for note the same arrangement, and she even uses the same ad-libs that Bing used on his record.
Although set in November, in the days following Guy Fawkes day, multiple shots show green foliage and flowers, quite inconsistent with the season.