Correlation of Amygdala dysfunction and psychopathy is the topic basically. But I talked to my professor and since this topic is kind of difficult, you  should also talk about the Biopsychosocial model and how it influences the formation of psychopathy. 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2606709/#:~:text=Neuropsychological%20and%20neuroimaging%20data%20from,to%20the%20development%20of%20psychopathy

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3811089/

https://www.med.wisc.edu/news-and-events/2011/november/psychopaths-brains-differences-structure-function/

https://academic.oup.com/scan/article/9/1/3/1672863

https://www.nature.com/articles/mp2008104.pdf?origin=ppub