Capt. William Richardson Davie in command of his Patriots attacked and captured a British supply column a few miles from the fort. Davie carried off as much of the supplies he could and burned the rest.

In 1779, Davie was commissioned a Captain in the Camden District Regiment and was seriously wounded at the battle of Stono Ferry in June of 1779. He returned home to recover. In 1780, he expended his entire estate to raise a cavalry troop in the Waxhaws, and it was again attached to the Camden District Regiment. Later in 1780, he was promoted to brigade major on staff to Brig. Gen. Thomas Sumter.

After the Fall of Charleston, Capt. William Richardson Davie was given the mission to harrass British communications between their posts at Hanging Rock and Camden. His dragoons were often reinforced by SC militia under Maj. Robert Crawford (Turkey Creek Regiment), thirty-five (35) Catawba warriors under their chief General Newriver, and a part of the Mecklenburg, NC militia commanded by Lt. Col. Heaggins.

The British had thought that they would be able to forage from the local inhabitants, but the continued attacks denied them that source of provisions. The posts at Hanging Rock and Rocky Mount had to rely on supplies from Camden. Capt. Davie learned of a convoy coming from Camden and he rode with some of his men to intercept these supplies. He left his camp on the evening of July 20th and rode around the left flank of Hanging Rock and laid an ambush on the Camden Road, about five miles south of Hanging Rock at a location called Flat Rock.

The convoy was "captured with little trouble, the spirits provisions and waggons being destroyed, the escorts and waggoners were mounted on the captured horses, and about dark the party commenced its retreat."

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