Will Officer X be liable under one or both of these laws? Justify your answer

Officer X, a police officer in Kansas, violated a court order by refusing to arrest Y, a husband against whom a restraining order had been issued by the court.  Officer X’s refusal resulted in serious injury to Y’s wife and daughter.  A case is brought against Officer X alleging a violation of Section 1983 (federal law) and a violation of Kansas state tort law.

Will Officer X be liable under one or both of these laws?  Justify your answer