Culpa n. (Law) Negligence or fault, as distinguishable from dolus (deceit, fraud), which implies intent, culpa being imputable to defect of intellect, dolus to defect of heart.
... and waited for the paroxysm to pass. When, with face still averted, she was repeating between her sobs the MEA CULPA of childish penitence—that "she'd be good, she didn't mean to," etc., it came to him to ask her why she had ... — Selected Stories • Bret Harte