Investigations: U.S. & World News Investigations | NBC News

Brendan Smialowski / AFP - Getty Images

National Security

When he leaves office, can ex-President Trump be trusted with America's national security secrets?

Kerem Yucel / AFP via Getty Images file

Coronavirus

'We can't win': Covid is devastating nursing homes. Some staff say they are unprotected.

Bill Clark / CQ-Roll Call via Getty Images file

2020 Election

Flournoy could be first woman to run Pentagon, may pick many women for top roles

Christian Torres / AP

Immigration

28 migrant children and their parents face deportation after refusing to be separated

Investigations

Win McNamee / Getty Images file

2020 Election

Biden picks Avril Haines as director of national intelligence

Anjali Nair / NBC News; AP

Coronavirus

Sick prisoner wrote 17 letters pleading to be freed. Covid silenced him.

Leah Millis / Reuters

Donald Trump

On Jan. 20, Trump will lose a major perk. Here's what legal challenges await him.

National Security

Biden faces a race against the clock for U.S. to rejoin Iran nuclear deal

Military

Nearly one out of four sailors from the Navy destroyer USS Michael Murphy test positive for Covid

Joe Raedle / Getty Images file

Immigration

White House killed deal to pay for mental health care for migrant families separated at border

Sources said the White House counsel's office said no after checking with Trump adviser Stephen Miller. A White House official denied Miller had a role.

U.S. Coast Guard

Military

Covid-19 outbreak on Coast Guard vessel cuts counter-drug patrol short

Tom Williams / CQ-Roll Call/Getty Images file

Security

Trump fires head of U.S. election cybersecurity who debunked conspiracy theories

Shannon Stapleton / Reuters file

Justice Department

U.S. drops drug case against former Mexican defense minister

Luis Cortes / Reuters file

Justice Department

California man charged with running 'virtual kidnapping' scam from a Mexican prison

Uma Sanghvi / Palm Beach Post via Reuters file

Justice Department

Justice Department probe ends with no action against prosecutors who oversaw Epstein deal

Jonathan Ernst / Reuters file

National Security

Trump loyalists given top Pentagon roles after several officials resign after Esper's ouster

Carolyn Kaster / AP

Immigration

Biden's key immigration policies face uphill battle

Christine Romo / NBC NewsLisa Cavazuti / NBC News

Africa

Labor Department lists mica mined in Madagascar in report on child labor

Sarah Silbiger / Bloomberg via Getty Images

Politics News

Ukraine police close Biden probe initiated by ousted prosecutor

Jacquelyn Martin / AP

Donald Trump

'There will be a smooth transition to a second Trump administration,' Pompeo claims

AFP - Getty Images; AP

National Security

Biden not getting intelligence reports because Trump officials won't recognize him as president-elect

Tom Brenner / Reuters

2020 Election

DOJ's election crimes chief resigns post after Barr allows prosecutors to probe voter fraud claims

Olivier Douliery / AFP via Getty Images file

National Security

Trump's firing of Esper raises concerns about national security during Trump's final days in office

Mike Blake / Reuters file

Immigration

Lawyers can't find the parents of 666 migrant children separated by Trump administration

Jonathan Wiggs / Boston Globe via Getty Images file

Business News

Judge orders Trump administration to reveal PPP loan data it sought to obscure

Spencer Platt / Getty Images

2020 Election

The Russians have no need to spread misinformation. Trump and his allies are doing it for them

Greg Nash / Pool via Getty Images

Donald Trump

Defense Secretary Esper plans to help Congress draft legislation to strip bases of Confederate names

Omar Sobhani / Reuters

Military

Afghan security forces, civilians face surge in attacks, U.S. watchdog says

Scott Eisen / Getty Images

Security

Military acknowledges taking cyber action against Russia, Iran prior to election