The timeline

globeandmail.com: The timeline: "A final e-mail update is issued by the university at 10:53 a.m. alerting students and staff to the multiple shooting, and at 12.15 p.m., university president Charles Steger and campus police chief Wendell Flinchum tell a press conference that more than 20 people have been killed. Before the day is done, the total death toll from the two shootings rises to 33, including the gunman. At least 15 others are injured."