crim·i·nol·o·gy 
(krĭm′ə-nŏlə-jē)
(krĭm′ə-nŏlə-jē)n.
The scientific study of crime, criminals, criminal behavior, and corrections.
[Italian criminologia : Latin crīmen, crīmin-, accusation; see CRIME + Latin -logia, -logy.]
crim′i·no·logi·cal (-nə-lŏjĭ-kəl) adj.
crim′i·no·logi·cal·ly adv.
crim′i·nolo·gist n.