Many early critics of the Book of Mormon insisted that the book was inaccurate because there was no way the sword of Laban could be made of steel. That was, until a surprising archeological discovery was made 30 years ago. Matthew Roper, a research associate at the Neal A. Maxwell Institute for Religious Scholarship at BYU, discussed this at the FairMormon Conference and told more about what swords in the Book of Mormon were really like.