CBS Evening News with Norah O'Donnell, 11/21

Two people, including a police officer, were killed Monday in a shooting in Montreal, police in the Canadian city said. The gunman was also killed. Authorities believe two ransom notes addressed to Nancy Guthrie's family days after her disappearance — including a note that said s ...  Show more

The U.S. secured a ticket to the knockout phase of the FIFA World Cup Friday with a 2-0 victory over Australia.State-appointed investigators delivered their final report on last year’s Camp Mystic flood disaster, finding the 39 adults at the camp had no information or training th ...  Show more

Deadly parade shooting. Ride share drivers go on strike. US official warns of major threat. CBS News Correspondent Jennifer Keiper with tonight's World News Roundup. 

Another Black family is in anguish after a 22-year-old is shot to death by Minneapolis police executing a search warrant in an apartment. CBS News Correspondent Allison Keyes has the latest in today's Reporter's Notebook. 

Did social media posts drive an Olympic horseman to shoot his own student? "48 Hours" contributor Nikki Battiste reports. 

A young woman disappears after a Snapchat rendezvous. Her murder inspired a new law. "48 Hours" contributor Jamie Yuccas reports.