Home DNA testing companies, such as 23 and Me and AncestryDNA, are at peak popularity, fulfilling our desires to know where we come from and what our future might look like. Questions have arisen about who owns test results and whether testing companies have the right to sell customers' data to pharmaceutical companies and other outlets. Yet home DNA tests have been credited with catching criminals, such as the Golden State Killer. Containing viewpoints from diverse voices in the field, this volume helps readers to examine the controversies surrounding home DNA tests.