"What Makes Sammy Jump?" Sammy Thunderall copyrighted his suicide note in 1997, but it took him 10 years to get up the nerve to jump. This is the story of that day."What Makes Sammy Jump?" Sammy Thunderall copyrighted his suicide note in 1997, but it took him 10 years to get up the nerve to jump. This is the story of that day."What Makes Sammy Jump?" Sammy Thunderall copyrighted his suicide note in 1997, but it took him 10 years to get up the nerve to jump. This is the story of that day.