Charges have been upgraded for David Wright, a 51-year-old Minneapolis man accused of killing his ex-girlfrend.
Mariah Samuels, 34, was shot and killed in September. Family members said she died just minutes after posting about domestic violence she faced.
Wright was originally charged with one count of second-degree murder and illegal possession of a firearm. His charges were upgraded Monday to include one count of first-degree premeditated murder and one count of first-degree murder…