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    911 outages impact millions

    01:59
  • Top CIA cybersecurity official speaks out on election interference, TikTok and passwords

    01:46
  • 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

Boston bombing suspects' dad asks for proof

01:44

In an emotional interview with NBC News, the father of the two brothers suspected of setting off two bombs at the Boston Marathon insisted his son Dzhokhar Tsarnaev was an innocent child and brother Tamerlan a gifted boxer who was “very religious” and homesick. NBC’s Adrienne Mong reports.