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 female inmates to discuss their experiences with social groups, and found little distinction between male and female social groups within prisons. For this study, Craig Forsyth and Rhonda Evans collected data from 24 female inmates of the Louisiana Correctional Institute for Women in the form of interviews and journals in which the women recorded their relevant perceptions. Noting both the terminology used to describe and the functions of the pseudo families, the authors found that, rather than presenting as a unique phenomenon, pseudo families served the same purposes as did male inmates' social groups. They further contend that the distinctions