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 allow for less enforcement and less serious work. Prison guards tend to view female inmates as more emotional and therefore more difficult to manage than their male counterparts; in her 1987 book studying correctional officers who have supervised both male and female prisoners, Joycelyn Pollock suggests that these opinions are caused by preconceived gendered of views the inmates. In 1993 Dana Britton conducted a study of correctional officer views and experiences through a series of semi-structured interviews on career path, training, issues concerning gender, and future work plans with officers from a men and a women's prison in the American