Biochemical aspect of crime: a case study of testosterone levels among rapists in Enugu State
Keywords:Crime, Rapists, Child molestation, Testosterone level, Male subject
Testosterone concentration is a contributing factor to rape tendency. Our research aimed to determine the plasma testosterone concentrations in male rapists. Subjects (100) recruited from Enugu state prison grouped viz: Violent-rapist (VR), nonviolent-rapist (NVR), violent child-molester (VCM), nonviolent child-molester (NCM), and none rapist (NR). The blood sample was collected in the morning (8-9) for four months by veno-puncture and used in the determination. The testosterone levels determination was by the enzyme-linked immunosorbent assay method. The results indicated the mean age of 33 (VR), 34 (NVR), 46 (VCM), 47 (NCM), and 32 (NR). The age at first intercourse was highest in NCM (18) and lowest in VR (13). Heterosexuals were highest in VR (14) and lowest in NCM (6). Homosexuals were highest in NCM (4) and non in VM, NVR, and NR (0). In bisexuals, NVR and NCM were the highest (4), the NR (1) was the lowest. The concentrations of testosterone (in ng/100ml) were 8.65 (VR), 9.23 (NVR), 9.63 (VCM), 7.73 (NCM) and 7.95 (NR). The testosterone concentration of the VR, NVR, and VCM is higher than NR. The NCM was lower than the NR. This result suggests that VR, NVR, and VCM are associated with higher testosterone concentrations in males. The modest associations indicate that there might be other influencing factors. The relationship between testosterone levels in rapists and child molestation is, at best, tentative. In some people, hormonal factors might influence the likelihood of rape and child molestation.
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