One suspect is dead after a shooting at the Washington D.C. Navy Yard, according to CNN. Conflicting reports have emerged about whether the suspect worked alone, but multiple people were killed in the Monday morning shooting. 

The current secretary of homeland security is resigning to become the new president of the University of California university system.

According to police reports, a gunman in Fresno, Calif., opened fire at his workplace (Apple Valley Farms), killing one and wounding two before shooting himself. He is in critical condition.

Due to the State of Emergency caused by the approach of Hurricane Sandy, this week's security events in New York City have been postponed until further notice.

One student has been shot and another is in custody after a shooting on the first day of school at Perry Hall High School near Baltimore.

This week's review includes this morning's breaking news from New York, laptop security and detecting fake IDs.

Eleven people were shot Friday morning, including the suspected shooter, in front of the Empire State Building in New York. 

A shooting at a screening of "The Dark Knight Rises" in an Aurora, Colo., movie theater has left 12 dead and at least 50 injured, authorities confirmed. 

According to sources, Stanley Convergent Security Solutions President Tony Byerly is leaving the company after more than five years there. 

CBS News correspondent John Miller will be presented the 2012 Person of the Year Award.