On Wednesday, armed gunmen entered a social services facility in San Bernardino and killed at least 14 people. The Inland Regional Center serves more than 30,000 people with developmental disabilities like autism, epilepsy and cerebral palsy. We get the latest on the incident.
Adam Lankford, criminal justice professor, University of Alabama; author of "The Myth of Martyrdom: What Really Drives Suicide Bombers, Rampage Shooters and Other Self-Destructive Killers"
Chief Richard Beary, police chief, University of Central Florida; former president, International Association of Chiefs of Police
Mark Follman, senior editor, Mother Jones magazine; his article "Inside the Race to Stop the Next Mass Shooter" is in the magazine's current issue
Esme Duprez, reporter, Bloomberg News Southern California Bureau