A new Quinnipiac poll shows most Americans believe homegrown jihadis are the greatest threat to the United States

A new Quinnipiac poll shows most Americans believe homegrown jihadis are the greatest threat to the United States, compared to radicalized foreign visitors and terrorists hiding among Syrian refugees. Former CIA deputy director and CBS News security contributor Michael Morell joins “CBS This Morning” to discuss the next steps for the investigation into San Bernardino shooting suspects' motives.

• Dec 4, 2015
• 03:07

The reason why the married couple targeted a holiday party at the Inland Regional Center is still unknown

New evidence is revealing more about the lives of the San Bernardino shooters who killed 14 people and wounded many more. But the reason why the married couple targeted a holiday party at the Inland Regional Center is still unknown. Investigators are looking into whether Tashfeen Malik radicalized her husband, Syed Rizwan Farook. Carter Evans reports.

• Dec 4, 2015
• 03:51

California tries to make sense of the San Bernardino massacre, new details emerge about the gunman and his ties to terror suspects, and more of the stories you're clicking on

California tries to make sense of the San Bernardino massacre, new details emerge about the gunman and his ties to terror suspects, and more of the stories you're clicking on.

• Dec 3, 2015
• 00:30

CBS News has obtained two photos of the explosives used by suspects in the deadly San Bernardino shootings

CBS News has obtained two photos of the explosives used by suspects in the deadly San Bernardino shootings. CBSN's Jamie Yuccas has the photos and the latest details.

• Dec 3, 2015
• 00:52

In the last month alone, people have been killed in places considered to be safe

In the last month alone, people have been killed in places considered to be safe. How do you explain the violence to kids? Elaine Quijano has more.

• Dec 3, 2015
• 02:02

A social worker at the Inland Regional Center was in his office when the shooting started Wednesday

A social worker at the Inland Regional Center was in his office when the shooting started Wednesday. As police moved in, he took out his phone and started recording. Norah O'Donnell shares his story.

• Dec 3, 2015
• 02:29

John Blackstone speaks with a few of the people wounded in the San Bernardino shooting

John Blackstone speaks with a few of the people wounded in the San Bernardino shooting. One described seeing people killed right in front of her.

• Dec 3, 2015
• 01:35

David Begnaud reports on how and when Syed Farook may have been radicalized

David Begnaud reports on how and when Syed Farook may have been radicalized. He spoke with one of Farook’s co-workers who can't believe he might have missed the signs.

• Dec 3, 2015
• 01:46

Former number two at the CIA and CBS News senior security contributor Michael Morell gives his take on the investigation into the San Bernardino shooting

Former number two at the CIA and CBS News senior security contributor Michael Morell gives his take on the investigation into the San Bernardino shooting.

• Dec 3, 2015
• 01:31

Although the FBI isn't calling Wednesday's shooting a terrorist act yet, the case has some hallmarks of terrorism

Although the FBI isn't calling Wednesday's shooting a terrorist act yet, the case has some hallmarks of terrorism. Jan Crawford has more.

• Dec 3, 2015
• 02:01

In their latest update, police released that 21 people were wounded and 14 have died in the San Bernardino shooting

In their latest update, police released that 21 people were wounded and 14 have died in the San Bernardino shooting. Officials have also revealed that the suspects had 12 pipe bombs in their home and several rifle magazines. CBS News correspondent Carter Evans is in California and joins CBSN with the latest.

• Dec 3, 2015
• 41:13

Texas Sen. Ted Cruz held a moment of silence for San Bernardino shooting victims during his speech at Thursday's Republican Jewish Coalition and expressed concerns that "this is yet another manifestation of terrorism"

Texas Sen. Ted Cruz held a moment of silence for San Bernardino shooting victims during his speech at Thursday's Republican Jewish Coalition and expressed concerns that "this is yet another manifestation of terrorism."

• Dec 3, 2015
• 01:02

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
• 03:51

Secretary of Defense Ash Carter announced that the U.S. is sending special forces to Iraq in an attempt to fight ISIS

Secretary of Defense Ash Carter announced that the U.S. is sending special forces to Iraq in an attempt to fight ISIS. Carter also said the Pentagon is prepared to expand operations in Syria. Tom Vanden Brook, USA Today's Pentagon correspondent, joins CBSN to explain what the missions will entail.

• Dec 1, 2015
• 03:09

A recent report from the Department of Justice claims that domestic terrorism poses a greater threat in the United States than ISIS

A recent report from the Department of Justice claims that domestic terrorism poses a greater threat in the United States than ISIS. Former FBI deputy director Timothy Murphy explained the threat and the differences between the two to CBSN.

• Nov 30, 2015
• 03:51

After arriving in Paris Sunday night for a summit on climate change, President Obama visited one of the memorials for those killed in the November 13th terror attacks

After arriving in Paris Sunday night for a summit on climate change, President Obama visited one of the memorials for those killed in the November 13th terror attacks.

• Nov 29, 2015
• 00:35

Sen. John McCain, R-Arizona, believes it’s time to recruit the United States’ Arab allies in the fight against ISIS

Sen. John McCain, R-Arizona, believes it’s time to recruit the United States’ Arab allies in the fight against ISIS. The top Republican weighs in on the American strategy to defeat terrorism abroad, joined by presidential candidate Sen. Lindsey Graham, R-South Carolina, at the U.S. Embassy in Baghdad.

• Nov 29, 2015
• 03:27

Presidential candidate Gov. Jeb Bush, R-Florida, believes GOP front-runner Donald Trump is preying on the worst fears of Americans. The former governor says his competitor is “not a serious candidate” in the race for the presidency

Presidential candidate Gov. Jeb Bush, R-Florida, believes GOP front-runner Donald Trump is preying on the worst fears of Americans. The former governor says his competitor is “not a serious candidate” in the race for the presidency.

• Nov 29, 2015
• 01:35

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
• 03:48

The full episode of the CBS Evening News from the November 27, 2015 edition.

A gunman opened fire and later barricaded himself in a Planned Parenthood clinic in Colorado Springs. Police officers exchanged fire with the suspect, who possibly had "devices" with him; a most unlikely friendship added another chapter recently when a pair of young brothers met back up with a WWII vet who served on a battleship they've become enamored with

• Nov 27, 2015
• 20:33

France paid tribute to those killed in the Paris terror attacks with a somber ceremony held in the rain in front of the military museum Les Invalides. Debora Patta has the story.

France paid tribute to those killed in the Paris terror attacks with a somber ceremony held in the rain in front of the military museum Les Invalides. Debora Patta has the story.

• Nov 27, 2015
• 01:59

At least three officers have been injured responding to an active shooter situation at a Planned Parenthood facility in Colorado Springs, Colorado

At least three officers have been injured responding to an active shooter situation at a Planned Parenthood facility in Colorado Springs, Colorado. Former ATF Agent Matt Horace joined CBSN to put the police operation into perspective.

• Nov 27, 2015
• 04:37

The full episode of the CBS Evening News from the November 26, 2015 edition.

As President Obama and his family celebrated Thanksgiving at the White House, yet another jumper managed to make it over a recently reinforced fence; fruits and vegetables are often discarded because they just don't look right

• Nov 26, 2015
• 20:43

For a fifth day, police raided neighborhoods around Brussels Thursday in search of anyone connected to the Friday the 13th attacks in Paris that killed 130 people

For a fifth day, police raided neighborhoods around Brussels Thursday in search of anyone connected to the Friday the 13th attacks in Paris that killed 130 people. Debora Patta is in Brussels with the latest.

• Nov 26, 2015
• 02:50

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

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