(This is a horrible thing!!! But, infancide does happen. the following part of an article about the woman that I wrote before.
"In 2013, Heitzman, Ruzikowska, Tarczynska, Waszkiewicz, and Pilszyka (2013) reported a case of how forensic psychologists and psychiatrists helped in assess a woman’s psychiatric and psychological states in an infanticide case. They identified the problems of the woman, for example, they identified the woman’s emotional life (tendency to repress and accumulate emotions), her personality profile (avoidance with antisocial features), her impulse control disorder, and her chronic and extreme marital stresses. However, they also thought that the woman cognitively competent in knowing what she was doing when killing the newborns. As the result of forensic psychiatric/psychological assessment, the woman was sentenced 5-fold murder and 25 years in the prison. "
If you want to know more about how forensic psychologists/psychiatrist did in this case, you can find this article (not mine[调皮][调皮]): Heitzman, J., Ruzikowska, A., Tarczynska, K., Waszkiewicz, E., & Pilszyk, A. (2013). Infanticide or murder in a forensic psychiatric assessment—A case study. 5-fold infanticide—The search of psychopathology. Psychiatria Polska, 47(3), 541-557.)