Sgt. Daniel Perry's attorney has said the soldier was working for a ride-sharing company and acted in self-defense after a protester pointed a gun at him.
The former senior enlisted leader of 4th Infantry Division Artillery faces court martial over multiple charges of sexual assault and indecent communications.
A Dallas law firm said it is representing a soldier stationed at Fort Hood who fatally shot an armed demonstrator at an Austin rally against police violence last weekend.
He is a combat veteran who has been awarded two Bronze Stars with Valor and who has served in every leadership position from team leader to division command sergeant major.
When Command Sgt. Maj. David Davenport became the senior enlisted soldier for Training and Doctrine Command, he was tasked with improving the way the Army trains, educates and develops soldiers.