The latest on the Pentagon, State Department, Department of Homeland Security and national security.
Russia investigations face critical week in Congress
By Tom LoBianco, CNN
Russia fight threatens intel panel's work
Partisan split at House intel committee over canceled open hearing
Sources: FBI investigates 'odd' computer link
AQAP trying to hide explosives in laptop batteries, official says
Roger Stone, Carter Page volunteer to talk to House committee
House Intel chairman: Trump's personal communications may have been collected
Manafort pushes back on report he worked to help Putin's government
The super-secret division in charge of the Russia investigation
Ukrainian FM warns Congress: 'Everyone is vulnerable' to Russia
US Marines join local forces fighting in Raqqa
'Unmasking,' FISA and other terms to help you understand the wiretapping story
What is the FISA court, and why is it so secretive?
Meet CNN's security team
Calls grow for Nunes to step aside in Russia probe
It's time for Devin Nunes to step down
U.S.: 'We want to return Mosul in one piece'
Russian banker who met with Jared Kushner has ties to Putin
Portland 'dreamer' released on bond after being arrested by ICE agents
Congresswoman: I don't trust Nunes
From Yemen to Mosul, Trump's rocky start in the Middle East
There's a Russian storm over Trump's struggling presidency
First on CNN: Border wall ask: $1 billion for 62 miles
US Air Force considers dumping undefeated fighter jet
India wants to seal its borders with Pakistan and Bangladesh
London attack: Khalid Masood's wife condemns his actions
Who cleared Devin Nunes into the White House?
Mosul: 112 civilian bodies pulled from site of coalition airstrike
Father of Maryland rape suspect detained by ICE
Nunes: 'For the most part' Trump officials were masked
Man charged with murder as terrorism in deadly NYC stabbing
Big question: What information is Nunes talking about?
One theory on Trump incidental collection
Democrat: Nunes should recuse himself