 This is one of the leading works cited by religious freedom advocacy groups such as the Becket Fund.Keetch, along with Kirton McConkie's Alexander Dushku, filed many cases related to the Religious Land Use and Institutionalized Persons Act.In 2007, they presented an amicus curiae brief to the United States Supreme Court in behalf of a large coalition of religious organizations in defense of a broad interpretation of burdening of religious freedom.