Mormons are posthumously baptizing Holocaust victims, as well as grandparents of public figures like Donald Trump, Hillary Clinton, and Steven Spielberg, despite church rules intended to restrict the ceremonies to a member's ancestors, according to a researcher who has spent two decades monitoring the church's massive genealogical database. The discoveries made by former Mormon Helen Radkey and shared with the AP likely will bring new scrutiny to a deeply misunderstood practice that has become a sensitive issue for the church. In a statement, the church acknowledged the ceremonies violated its policy and said they would be invalidated, while also noting it has created safeguards in recent years to improve compliance. The AP takes a deep dive into the practice's history and Radkey's findings: