With these chilling words the man who fired the fatal shot that killed President John F. Kennedy revealed his role in the assassination to the law-enforcement officer who had hunted him for nearly a decade. In this classic exposÔe, veteran cop Hugh C. McDonald offers a gripping firsthand account of his personal journey into the dark heart of an unthinkable conspiracy--to bring to light these and other shocking revelations: the astonishing truth about the shooter on the Grassy Knoll.