Deadlier Than the Male intrigue when he comes to visit. The title is a reference to the 1911 Rudyard Kipling poem "The Female of the Species," which includes the line, "The female of the species must be deadlier than the male", and also refers to Sapper's earlier Drummond book, "The Female of the Species". The working title of the film was "The Female of the Species". "Deadlier Than the Male", the song featured in the film`s opening credit sequence, was performed by the Walker Brothers. Filmed in Technicolor and Techniscope, portions of the film were shot in Lerici, La Spezia, Liguria, Italy. A sequel,
Police use of deadly force in the United States study concluded that unarmed white suspects were three times more likely to be shot than unarmed black suspects. The study concluded that the results could be because officers were more concerned with using deadly force against black suspects for fear of how it would be perceived. McElvain & Kposowa (2008) found that white police officers were more likely to shoot on the job than either black or Hispanic officers. They also reported that male police officers were more likely to shoot than their female counterparts, and that officers with a history of shooting were more likely to shoot again than