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 and in other writings and prisons are dependent on contemporary society's gender roles. Additionally, Giallombardo suggests that kinship networks of pseudo-families display the inmates attempts to replicate their social worlds outside the prison through their familial relationships. Another explanation often cited is that the family networks were induced by the cottage style institutions traditionally favored for women's prisons, which naturally created familial environments for inmates. A more gendered theory which has lost prominence contended that women were likely to be more distressed than their male counterparts at being separated from their children and families, and would therefore re-create the families