Forty-eight-year-old Donna Blue - of Wild Horse Drive - was in the Cumberland County Detention Center on a second-degree murder charge.
Deputies said they got a 911 call about the stabbing around 10:20 Sunday night.
Detectives said there was apparently a domestic dispute between Blue and 63-year-old Robert Lee King. They said it's unclear what the argument was about and Blue has refused to cooperate.
The State Medical Examiner's Office in Raleigh plans an autopsy on King's body.