noun
criminal psychology
Academic field studying the psychological factors behind criminal behavior.
彼は大学で犯罪心理学を専攻している。
He is majoring in criminal psychology at university.
犯罪学 is criminology, a broader field that includes sociology, law, and policy, while 犯罪心理学 focuses specifically on the psychological aspects of crime.
Compound of 犯罪 (crime) and 心理学 (psychology).