Lt. Col. Bartley Boone of the 2nd Mississippi was captured by the 1st Minnesota in the close fighting on the left of the Confederate line at First Manassas near Rickett's and Griffin's batteries. Supposedly, a company or maybe more, from the 1st Minnesota was detached and was on the flank and rear of the 2nd Mississippi. Lt. Col. Boone thought the soldiers firing into his men were "friendlies" and rode over to demand they cease fire, during which time he was captured. Now my understanding is that the 1st Minnesota may have been uniformed in red shirts as presumably, one or maybe several companies of the 2nd Mississippi also were wearing red "battle shirts." That would have certainly led to the confusion especially if the fighting was at close quarters. If I'm not mistaken, Lt. Col. Boone was the highest ranking Confederate taken prisoner during First Manassas. Both the 1st Minnesota and 2nd Mississippi suffered some of the highest regimental casualties at the battle.