[1] The film is a docudrama dramatising the re-enactment of the assassination of Grand Duke Sergei Alexandrovich of Russia that had taken place a few months before in Moscow.

Another draws a paper from a box, reads it and points at one of the men wearing a fur coat who stands up and takes a oath.

[2] Since 1903, Lucien Nonguet had been in charge at Pathé Frères of the filming of re-enacted newsreels and had already released in August 1904 a film about a political assassination in Russia, L'assassinat du Ministre Plehve, relating the assassination in July 1904 of Russian Minister of the Interior Vyacheslav von Plehve.

[3] Pictures of the assassination of Grand Duke Sergei Alexandrovich were published in the international press shortly after the event.

[4] Lucien Nonguet explained that he based the reconstitution of the murder scene on one of these pictures, using an old horse carriage that he had had dismantled with some pieces broken and partially burned.

The protagonists are not presented in this article as actors but as extras (figurants) and only the nicknames Coco and Bébert are indicated for the two main ones.

Lucien Nonguet is not credited as director, but as Head of Extras (chef de la figuration).

[1] The film was also distributed in Japan, where it was often screened with newsreels of the 1905 Russo-Japanese war "to allude to the instability of the Russian political climate.