Boulder, CO Shooting Suspect Facing Additional Charges

A 21-year-old suspect faces new charges, including 33 counts of attempted murder, 10 counts of possession of a large capacity ammunition magazine, and one count of first-degree assault. These are in addition to existing first-degree murder charges following a shooting rampage in a store last month that resulted in 10 deaths.

What event led to the charges of first degree murder?

How many people were killed during the shooting rampage?