It’s that whole American-Indian Israelite thing that has me incredulous.
My father -in-Law was a devote Member of the LDS church and told me he picked up two hitchhiking Nephites who told him of the future—quizzed him on his believes then Vanished away, They only see two Nephites these days—one is resting—my Father -in-law said they rest at the Temple in Manti. When he told the story he sounded really believable.