In April of 1775 British soldiers were on their way to Concord Massachusetts to.......?

In April of 1775, the purpose of the march from Boston to Concord (Massachusetts) by the British unit involved was twofold. According to their explicitly written orders, the British troops were to uncover and destroy arms that had been reported to be hidden somewhere in the town. Per oral instruction given to the commander, they were also to locate and arrest various patriot (or, rebel) leaders who were rumored to be hiding in Concord.