Step-by-step explanation:
Psychological criminology focuses on the individual's mind and process, or why they do what they do, while the sociological criminology focuses on subgroups, societies and mindsets of groups when it comes to crime.
Psychiatry focuses on medicine, looking for issues and mental instabilities that may be stopped or improved with the help of medication, and the other studies focus more on getting into their brain as of why they do what they do.