Weighing Evidence About the Boston Massacre Theory: During the “Boston Massacre” British soldiers were commanded to fire their weapons into an unarmed crowd causing the deaths of five innocent civilians. Source of Evidence Supports the Theory Disproves the Theory Unanswered Questions / Problems with the evidence Paul Revere Engraving Newspaper Account Captain Preston’s Testimony Re-enactment Evidence Acoustics Evidence Ballistics Evidence After examining and weighing the evidence, write a new theory for what happened on the 5th of March 5, 1770 .