What Is A Mass Shooting? And Does Chicago's Gang Violence Apply?What exactly is a mass shooting and does Chicago’s gang violence fit the definition>
Mayor Lightfoot: 'There Are No Adequate Words' After Mass Shootings In El Paso And Dayton, Chicago's Own Weekend Violence"I absolutely feel for the people whose lives have now been irreparably shattered by this chaos that is coming at the end of a gun," the mayor said.
7 Killed, 46 Wounded In Weekend Shootings; 'It's Destroying The Fiber Of Our Communities'“Please stop. It's killing our families, it's destroying the fiber of our communities. We have to stop this senseless killing,” said Keith Flowers, whose son was killed in a mass shooting in Lawndale on Sunday.
Workplace Shooter Identified As 45-Year-Old Employee Gary Martin Of AuroraThe mass shooter who killed five people at the Henry Pratt company in Aurora Friday afternoon was identified as 45-year-old employee Gary Martin, Aurora police said during a news conference Friday evening. 
'State Of Emergency In Our City': 12 Dead, 54 Wounded In Weekend Shootings; 'It's Absolutely Outrageous'A string of mass shootings Sunday morning helped contribute to the bloodiest weekend of the year in Chicago, leaving at least 11 people killed and 58 others wounded in shootings since Friday evening.
At Least 10 Killed In Santa Fe School ShootingAt least ten people are dead after a school shooting Friday morning in Santa Fe, Texas. The governor says the suspect walked into the school with his father’s shotgun and revolver under a long coat then opened fire.
2 Investigators: How Police Are Preparing For Attacks At Houses Of WorshipCBS 2’s Dave Savini talks with religious leaders and law enforcement representatives about what they are doing to protect congregants.
LISTEN: Scanner Traffic Response To Oregon Mass ShootingListen to the scanner traffic as authorities respond to a mass shooting at a community college in Oregon.