The FBI is now investigating the San Bernardino shooting massacre as an act of terrorism. Investigators say one of the suspects, Tashfeen Malik, declared support for the Islamic State in an online post

The FBI is now investigating the San Bernardino shooting massacre as an act of terrorism. Investigators say one of the suspects, Tashfeen Malik, declared support for the Islamic State in an online post. The Los Angeles Times also reports that the other suspect, Malik's husband Syed Rizwan Farook, also had contact with people from the Nusra front in Syria and the radical Shabab group in Somalia. Julianna Goldman reports.

• Dec 5, 2015
• 3:15

The U.S. and its allies have ramped up the fight against ISIS since the November terror attacks in Paris that left 130 people dead

British warplanes are joining the American-led bombing campaign against ISIS in Syria. The United States and its allies have ramped up the fight against ISIS since the November terror attacks in Paris that left 130 people dead. Norah O’Donnell spoke with President Obama at the White House about the threat of ISIS-related terror attacks at home.

• Dec 3, 2015
• 3:51

Norah O’Donnell spoke to President Obama Wednesday at the White House about his strategies to defeat ISIS

Norah O’Donnell spoke to President Obama Wednesday at the White House about his strategies to defeat ISIS, with a 65-country coalition against the terror group, local partnerships in Iraq and Syria and his latest decision to deploy about 200 Special Operations Forces.

• Dec 3, 2015
• 2:29

As the U.S. prepares to spend special forces to Iraq and Syria to fight ISIS, it raises the question: how did the terrorist group become such a global threat?

As the U.S. prepares to spend special forces to Iraq and Syria to fight ISIS, it raises the question: how did the terrorist group become such a global threat? Joby Warrick is a national security reporter for The Washington Post and author of "Black Flags: The Rise Of ISIS," and joins CBSN with more details on the man leading ISIS.

• Dec 2, 2015
• 6:20

Investigations and arrests of Americans with ties to ISIS have risen sharply recently

Investigations and arrests of Americans with ties to ISIS have risen sharply recently. "ISIS In America" author Dr. Lorenzo Vidino has analysis for CBSN.

• Dec 2, 2015
• 3:44

Pentagon deploying additional special ops forces to fight ISIS, Chicago's police superintendent fired, and more of the stories you're clicking on

Pentagon deploying additional special ops forces to fight ISIS, Chicago's police superintendent fired, and more of the stories you're clicking on.

• Dec 1, 2015
• 0:31

The United States is sending special forces to Syria and Iraq to fight ISIS

The United States is sending special forces to Syria and Iraq to fight ISIS. CBS News Senior National Security Correspondent David Martin has details for CBSN.

• Dec 1, 2015
• 4:53

Only on "CBS This Morning," Clinton discusses details of her plan to destroy ISIS, including special forces, air strikes and a no-fly zone in Syria

Only on "CBS This Morning," Democratic presidential candidate Hillary Clinton discusses details of her plan to destroy ISIS, including special forces, air strikes and a no-fly zone in Syria. Charlie Rose reports.

• Dec 1, 2015
• 4:44

Donald Trump demands $5M to appear at a CNN debate, Laquan McDonald's accused shooter posts $1.5M bail, and more of the stories you're clicking on

Donald Trump demands $5M to appear at a CNN debate, Laquan McDonald's accused shooter posts $1.5M bail, and more of the stories you're clicking on.

• Nov 30, 2015
• 0:32

The full episode of the CBS Evening News from the November 30, 2015 edition

At the Global Climate Summit in Paris, President Obama pitched an international deal to cut carbon emissions; after Black Friday and Cyber Monday, Giving Tuesday is here to encourage the holiday spirit of giving

• Nov 30, 2015
• 20:50

In an interview with Charlie Rose, Democratic presidential candidate Hillary Clinton said she couldn't conceive any circumstances where she would send combat troops to Iraq and Syria to fight ISIS

In an interview with Charlie Rose, Democratic presidential candidate Hillary Clinton said she couldn't conceive any circumstances where she would send combat troops to Iraq and Syria to fight ISIS. More from Rose's interview with Clinton will air Tuesday on 'CBS This Morning.'

• Nov 30, 2015
• 1:11

Presidential candidate Gov. Jeb Bush, R-Florida, believes ISIS would not exist if America had maintained 10,000 ground forces in the aftermath of the Iraq war

Presidential candidate Gov. Jeb Bush, R-Florida, believes ISIS would not exist if America had maintained 10,000 ground forces in the aftermath of the Iraq war. The former governor says Sec. Hillary Clinton’s “lack of commitment” created regional instability that gave birth to the caliphate.

• Nov 29, 2015
• 3:48

The Russian president accused Turkey of "driving relations into a dead end"

The Russian president accused Turkey of "driving relations into a dead end." Vladimir Putin wants an apology for Turkey's downing of a Russian military jet along the Syrian border. Holly Williams reports from Istanbul, where Turkey is offering more evidence to support the attack on the plane.

• Nov 26, 2015
• 1:35

The full episode of the CBS Evening News from the November 25, 2015 edition.

As millions of Americans take to the roads and the skies to get to their Thanksgiving destinations, President Obama offered assurance they wouldn't need to worry about an attack from ISIS; A physical therapist in New York's public school system is using the talents he learned as a carpenter to help some of his students

• Nov 25, 2015
• 20:39

A video reveals an underground city built while ISIS had control of the Iraqi town Sinjar

A video reveals an underground city built while ISIS had control of the Iraqi town Sinjar. The tunnels had electricity, plenty of food, and stacks of ammunition for ISIS members to survive U.S.-led airstrikes.

• Nov 25, 2015
• 0:22

Russia vows to continue airstrikes in Syria near where Turkey shot down a Russian warplane for violating its airspace

Russia vows to continue airstrikes in Syria near where Turkey shot down a Russian warplane for violating its airspace. CBS News foreign correspondent Holly Williams has details for CBSN.

• Nov 25, 2015
• 1:37

Turkey says the Russian jet strayed about a mile into its airspace and was there for only 17 seconds when it was fired on by a Turkish F-16

Russia and Turkey are trying to ease tensions after a Turkish jet shot down a Russian warplane. Turkey says the Russian jet strayed about a mile into its airspace and was there for only 17 seconds when it was fired on by a Turkish F-16. One of the Russian pilots was rescued and returned safely to base, but Russia says the other pilot was killed by ground fire. Holly Williams reports from Istanbul.

• Nov 25, 2015
• 2:43

The full episode of the CBS Evening News from the November 24, 2015 edition.

Tensions are at a level reminiscent of the Cold War after Turkey shot down a Russian fighter jet, killing at least one of the two pilots; governors all over the country are refusing to accept Syrian refugees following the Paris attacks

• Nov 24, 2015
• 18:04

Governors all over the country are refusing to accept Syrian refugees following the Paris attacks

Governors all over the country are refusing to accept Syrian refugees following the Paris attacks. Adriana Diaz spoke with recently settled refugees in Kentucky who are trying to adjust to a new life amid the backlash.

• Nov 24, 2015
• 2:25

Nick Burns, former National Security Council Director for Russian Affairs, discusses what happens now in the wake of Turkey's shootdown of a Russian fighter jet

Nick Burns, former National Security Council Director for Russian Affairs, discusses what happens now in the wake of Turkey's shootdown of a Russian fighter jet.

• Nov 24, 2015
• 2:12

The complicated situation in Syria has made the United States' policy to fight ISIS more difficult to form and implement

The complicated situation in Syria has made the United States' policy to fight ISIS more difficult to form and implement. Fran Townsend, former Homeland Security adviser to President George W. Bush joins CBSN with analysis.

• Nov 24, 2015
• 5:30

French President Francois Hollande joined President Barack Obama at the White House Tuesday to discuss the terror attacks in Paris and the fight against ISIS

French President Francois Hollande joined President Barack Obama at the White House Tuesday to discuss the terror attacks in Paris and the fight against ISIS.

• Nov 24, 2015
• 1:00:33

Turkey has shot down a Russian fighter jet that they say crossed into their airspace while conducting a mission in Syria

Turkey has shot down a Russian fighter jet that they say crossed into their airspace while conducting a mission in Syria. CBS News foreign correspondent Charlie D'Agata has the latest for CBSN.

• Nov 24, 2015
• 3:18

Donald Trump is defending his claim that he witnessed thousands of Americans celebrating the Sept. 11, 2001 terror attacks

Donald Trump is defending his claim that he witnessed thousands of Americans celebrating the Sept. 11, 2001 terror attacks. CBS News correspondent Nancy Cordes has analysis for CBSN.

• Nov 23, 2015
• 2:51

Former National Security Advisor Thomas Donilon talks about the Syrian refugee crisis, and ISIS’ ability to infiltrate into the country as refugees

Former National Security Advisor Thomas Donilon talks about the Syrian refugee crisis, and ISIS’ ability to infiltrate into the country as refugees.

• Nov 22, 2015
• 4:02

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