A 2004 school shooter serving a 20-year sentence wrote a letter in support of the Florida students advocating for gun control
Jon Romano, a school shooter now serving a 20-year sentence, wrote a letter to a local paper about the incident. In 2004, Jon Romano walked into his upstate-New York high school with a shotgun and opened fire. The then-16-year-old shot a teacher while being tackled by Columbia High School assistant principal John Sawchuk.
Source:: https://finance.yahoo.com/news/2004-school-shooter-serving-20-161609818.html