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,
Social groups in male and female prisons in the United States made by researchers are caused by "stereotypical depictions of gender roles" (Forsyth, Evans, 2003, p. 15) rather than by actual differences in the experiences of the inmates, male or female. Other sociologists have suggested that women's interpersonal relationships in prison have altered, so that the pseudo family has lost prominence. Katherine Greer conducted a series of in depth interviews of 35 inmates of a Midwestern women's prison in 1997 and found that interpersonal relationships between inmates were characterized by distrust and perceptions of dishonesty. Most women in these interviews described a fear of the dependency a close relationship causes, exacerbated