Mass shootings preparedness valencia pkg_00000205.jpg
Video Ad Feedback
Preparing for mass shootings
CNN's Nick Valencia takes a look at what cities are doing to prepare for mass shootings.
2:32 • Source: CNN
Terror threats in the U.S. 15 videos
Mass shootings preparedness valencia pkg_00000205.jpg
Video Ad Feedback
Preparing for mass shootings
2:32
Now playing
• Source: CNN
Armed police operate in Saint-Denis, a northern suburb of Paris, Wednesday, Nov. 18, 2015. Police say two suspects in last week's Paris attacks, a man and a woman, have been killed in a police operation north of the capital. Two police officers have been injured in the standoff. Police have said the operation is targeting the suspected mastermind of last week's attacks, believed to be holed up in an apartment in Saint-Denis with several other heavily armed suspects. (AP Photo/Francois Mori)
Video Ad Feedback
What to do in the event of a terror attack
1:42
Now playing
• Source: CNN
peace
Video Ad Feedback
This is the safest time in history
1:50
Now playing
• Source: CNN
terror attack vulnerabilities brown dnt tsr_00013715.jpg
Video Ad Feedback
How vulnerable are citizens to terror attacks?
1:41
Now playing
• Source: CNN
Nadir Soofi, left, and Elton Simpson are the two suspects in the Garland, Texas shooting.
Video Ad Feedback
Are lone wolf terror attacks happening in U.S.?
1:45
Now playing
• Source: CNN
trump comments refugees muslims waterboarding murray dnt lead_00003606.jpg
Video Ad Feedback
Trump: Waterboard terror suspects for information
2:13
Now playing
• Source: CNN
Phillip Mudd Tracking Terror Cells orig_00001821.jpg
Video Ad Feedback
How do we track potential terrorists?
1:56
Now playing
• Source: CNN
Investigators work a crime scene before the removal a two bodies outside of the Curtis Culwell Center after a shooting occurred the day before May 04, 2015 in Garland, Texas. During the "Muhammad Art Exhibit and Cartoon Contest, " an anti-Islam event, on May 03, Elton Simpson of Phoenix, Arizonia and another man opend fire, wounding a security guard . Police officers shot and killed Simpson at the scene.
Video Ad Feedback
Could Texas terror attack have been prevented?
1:40
Now playing
• Source: CNN
Somali Al-Shebab fighters gather on February 13, 2012 in Elasha Biyaha, in the Afgoei Corridor, after a demonstration to support the merger of Al-shebab and the Al-Qaeda network. Shebab insurgents staged rallies across Somalia on February 13 to celebrate their group's recognition by Osama bin Laden's successor as a member of the Islamist Al-Qaeda network. Al-Qaeda chief Ayman al-Zawahiri announced in a video message posted on jihadist forums on February 9, 2012 that Shebab fighters had joined ranks with the Islamist network. AFP PHOTO / Mohamed Abdiwahab (Photo credit should read Mohamed Abdiwahab/AFP/Getty Images)
Video Ad Feedback
Why Al-Shabaab is a growing threat
1:37
Now playing
• Source: CNN
isis the power of terror tom foreman orig jtb_00013720.jpg
Video Ad Feedback
ISIS and the power of terror
1:55
Now playing
• Source: CNN
ISIS celebrates announcement of their "Caliphate." Caption: This photo was tweeted from a Twitter account widely believed to belong to ISIS in Aleppo, Province, Syria. It purportedly shows celebrating ISIS' announcement of the so called Islamic Caliphate, spanning large areas of Iraq and Syria. The Islamic State in Iraq and Syria (ISIS) is a Sunni Muslim extremist group formerly linked to al-Qaeda-- al Qaeda has since denounced ISIS.
Video Ad Feedback
NSA chief: New blind spots in tracking terrorists
2:09
Now playing
• Source: CNN
newday mall threat al-shabaab video still
Video Ad Feedback
Al-Shabaab threatens to attack American mall
2:12
Now playing
• Source: CNN
isis
Video Ad Feedback
Is it ISIS, ISIL or Daesh?
1:23
Now playing
• Source: CNN
Terror concerns international airports dnt erin_00003215.jpg
Video Ad Feedback
Airports tightening security amid terrorism fears
1:48
Now playing
• Source: CNN
Obama insane guns terrorist San Bernardino sot_00000000.jpg
Video Ad Feedback
Obama: This is insane
0:53
Now playing
• Source: The White House