At the age of 11, Gacy hit his head on a swing which caused a blood clot in his brain that resulted in numerous blackouts; head trauma can cause criminal behavior based on phenology--a biological sub-theory. Also, when Gacy was 17, he was diagnosed with a congenital heart defect that forced him to be hospitalized occasionally throughout his life. Avatism, another biological sub-theory, focuses on abnormal physical traits most criminals exhibit; for example, Gacy has large lips and lots of body hair. These biological abnormalities point to a possibility that Gacy was not as evolved as other humans in the evolutionary ladder and that his morals were also not as strong, allowing him to murder others easily without
At the age of 11, Gacy hit his head on a swing which caused a blood clot in his brain that resulted in numerous blackouts; head trauma can cause criminal behavior based on phenology--a biological sub-theory. Also, when Gacy was 17, he was diagnosed with a congenital heart defect that forced him to be hospitalized occasionally throughout his life. Avatism, another biological sub-theory, focuses on abnormal physical traits most criminals exhibit; for example, Gacy has large lips and lots of body hair. These biological abnormalities point to a possibility that Gacy was not as evolved as other humans in the evolutionary ladder and that his morals were also not as strong, allowing him to murder others easily without