Three troopers were arrested last month in connection to May 2020 incident
One of the troopers, Jacob Brown, has resigned from the state police force
Two other officers, Dakota DeMoss and George Harper, are currently on administrative leave pending an investigation into the incident
The text messages came to light when an arrest warrant was issued for DeMoss
Another trooper also was arrested for a separate racially motivated incident
Meanwhile, in May 2019, Ronald Greene allegedly died in police custody, an incident that included DeMoss and other members of Troop F