Two biological explantions of criminality

... "Outline and evaluate two or more Biological explanations of criminality" Historically crime causation was deemed as a form of illness, suggesting individuals were not able to control their behaviour, considered mad. The early study of Phrenology was proposed by Gall who decided the brain was responsible for crime his theory was based on different parts of the brain determined individual differences. Some of these differences being lumps and bumps on our head growing differently. These theories were developed and led to those responsible for criminal behaviour. Sheldon proposed Somatotyping, 3 different body shapes/build, one being indicative to aggressive criminal behaviour, 'mesomorphs'. All these arguments have long since been discredited. The argument always being nature v nurture, asking if criminals are born or made? When looking to evaluate biological theories of criminality one needs to take into consideration that there are 4 factors which are explanations, Constitutional, Genetic, Biochemical and Neurological. During my evaluation

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