Months after being found lifeless and covered in blood with stab wounds to his head and leg in the bathroom of his Manhattan apartment, the death of model and fitness influencer Jacob Zieben has been ruled a homicide, the Office of the Chief Medical Examiner told the Daily News on Friday.

Jacob Zieben died from “multiple blunt and sharp force injuries,” with acute alcohol and lorazepam intoxication and chronic alcohol use as contributing factors, a representative from the OCME said. The chief medical examiner has ruled Zieben’s manner of death a homicide.

Lorazepam, an anti-anxiety medication, can lower blood pressure and slow breathing and its effects increase with alcohol.

Zieben’s estranged husband, Donald Zieben-Hood, was arrested on Aug. 1 after police found Zieben dead with mult

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