The good folks at Book of Mormon Central explain the evidence for the existence of Mulek, the son of Zedekiah, an important figure in Book of Mormon history—one that was unknown at the time the Book of Mormon was translated into English.
At the time The Book of Mormon came to light, some found it odd there would be a son of the king Zedekiah that had not been mentioned in the Bible. New evidence, however, supports his existence.
Enjoy their brief video.