Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
crīmĭnālis, e, adj. [crimen], of or pertaining to crime, criminal (jurid. Lat.): causa, Cod. Just. 9, 41, 15: accusatio, ib. 3, 35, 3.
Adv.: crīmĭnālĭter, criminally: agi furti, Dig. 47, 2 fin.