How do we know THIS?
Acts ch 7 v 57Then they put their hands over their ears, and drowning out his voice with their shouts, they rushed at him. 58They dragged him out of the city and began to stone him. The official witnesses took off their coats and laid them at the feet of a young man named Saul.£
Or the KJV same verse 58 And cast him out of the city, and stoned him: and the witnesses laid down their clothes at a young man's feet, whose name was Saul.
Yes I know The Word Game you are fixing to play. Paul had their clothes or do you wish to dispute that as well. It was the same Saul as Paul Chaprt 8 v 1 1Saul was one of the official witnesses at the killing of Stephen.
Saul the name of Paul before conversion.