U.S. military tracks high-altitude balloon over Utah
00:35
Wide disruption after AT&T cell phone outage
02:14
Iranian ambassador to U.N. denies country is arming Houthi rebels
01:02
FBI arrests man who allegedly threatened to bomb Massachusetts synagogue
01:18
U.S. striking back against Houthi rebels amid increased tensions in region
02:08
Russian stowaway found on flight from Denmark to Los Angeles
01:22
Wray urges Congress to renew 'critical' surveillance law
04:01
FBI director warns that Hamas could be an inspiration for terrorists
05:17
How warfare and weaponry have evolved over the decades
04:36
U.S. nuclear secrets are vulnerable to spies, report says
02:51
Top-secret military leaks raise national security concerns
01:51
Pentagon: Airstrikes on Iran-affiliated sites in Syria were ‘proportionate and deliberate’
02:33
TikTok CEO to appear before Congress amid growing security concerns
04:18
Foreign adversaries not responsible for 'Havana syndrome,' say U.S. intel agencies
03:21
China-linked hackers targeted 39 industries on most continents in 2022, report finds
03:23
Biden ordered unidentified aerial objects taken down out of 'abundance of caution'
04:31
U.S. military takes down second 'high-altitude object' over Alaska, origin unknown
03:43
Chinese balloon had antennas capable of collecting signals intelligence
02:49
DHS issues domestic terror threat warning to LGBTQ, Jewish and migrant communities
04:18
House Homeland Security Committee holds hearing on worldwide threats
03:46
New details emerge in death of Boston bombing suspect
02:44
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As NBC News Chief Justice Correspondent Michael Isikoff reports, new details have emerged regarding the cause of death of Boston Marathon bombing suspect Tamerlan Tsarnaev. Meanwhile, Homeland Security officials are under fire after allowing one of Dzhokhar Tsarnaev's friends into the country without a visa.May 4, 2013
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U.S. military tracks high-altitude balloon over Utah
00:35
Wide disruption after AT&T cell phone outage
02:14
Iranian ambassador to U.N. denies country is arming Houthi rebels
01:02
FBI arrests man who allegedly threatened to bomb Massachusetts synagogue
01:18
U.S. striking back against Houthi rebels amid increased tensions in region
02:08
Russian stowaway found on flight from Denmark to Los Angeles
01:22
Wray urges Congress to renew 'critical' surveillance law
04:01
FBI director warns that Hamas could be an inspiration for terrorists
05:17
How warfare and weaponry have evolved over the decades
04:36
U.S. nuclear secrets are vulnerable to spies, report says
02:51
Top-secret military leaks raise national security concerns
01:51
Pentagon: Airstrikes on Iran-affiliated sites in Syria were ‘proportionate and deliberate’
02:33
TikTok CEO to appear before Congress amid growing security concerns
04:18
Foreign adversaries not responsible for 'Havana syndrome,' say U.S. intel agencies
03:21
China-linked hackers targeted 39 industries on most continents in 2022, report finds
03:23
Biden ordered unidentified aerial objects taken down out of 'abundance of caution'
04:31
U.S. military takes down second 'high-altitude object' over Alaska, origin unknown
03:43
Chinese balloon had antennas capable of collecting signals intelligence
02:49
DHS issues domestic terror threat warning to LGBTQ, Jewish and migrant communities
04:18
House Homeland Security Committee holds hearing on worldwide threats