The book "The Warren Commission (09 of 26): The Hearings. Volume IX (of 15)" is part of an important documentary publication produced by the US Warren Commission. This book collects testimony, interrogations and other materials related to the investigation of the assassination of President John F. Kennedy. The reader is given the opportunity to better understand the situation that arose as a result of this tragic event and learn more about the different versions of the events that happened on November 22, 1963. This book will be a useful source of information for those interested in the history and political events of the last century.