and these ?
May 29, 2012—A man in Seattle, Washington, opened fire in a coffee shop and killed five people and then himself.
August 14, 2012—Three people were killed at Texas A&M University when a 35-year-old man went on a shooting rampage; one of the dead was a police officer.
September 27, 2012—A 36-year-old man who had just been laid off from Accent Signage Systems in Minneapolis, Minnesota, entered his former workplace and shot five people to death, and wounded three others before killing himself.