Truth be known, the minutemen from Concord refused to take the lead when offered so it was offered to Captain Isaac Davis from Acton. He declared, "I haven't a man who is afraid to go" and marched his men to the bridge where he was the first officer killed in the Revolutionary War.

https://www.historynet.com/american-revolutionary-war-minuteman-isaac-davis-was-shot-during-the-battle-of-concord.htm