TULSA, Okla. (AP) — An Oklahoma sheriff forced a former high-ranking sheriff's official to "take the hit" and resign following the shooting of an unarmed black man by a white reserve deputy whose qualifications subsequently came under heavy scrutiny, a federal lawsuit claims.

According to the lawsuit filed Thursday, former Tulsa County Sheriff's Maj. Tom Huckeby says then-Sheriff Stanley Glanz went so far as to issue a veiled threat against Huckeby's son, who also worked at the agency, and told the elder Huckeby that he should keep that in mind before deciding whether to resign.

Volunteer depu...