Biden visits Robb Elementary School memorial site

President Joe Biden and first lady Jill Biden laid their flowers and paid respects at the memorial site at Robb Elementary School in Uvalde, Texas.

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Senior CIA field operative gives insight on prisoner swap with Viktor Bout l ABCNL.

Senior CIA field operative gives insight on prisoner swap with Viktor Bout l ABCNL.

ABC News contributor Darrell Blocker explains why Russian arms dealer Viktor Bout was on his radar during his time with the CIA and discusses the high-profile prisoner swap. WATCH the ABC News Live Stream Here: SUBSCRIBE to ABC NEWS: Watch More on...

Doctor provides tips when looking for medicine that may be sold out l ABCNL.

Doctor provides tips when looking for medicine that may be sold out l ABCNL.

ABC News medical contributor Dr. John Brownstein provides insight into what to do amid concerns about empty drug store shelves. WATCH the ABC News Live Stream Here: SUBSCRIBE to ABC NEWS: Watch More on LIKE ABC News on FACEBOOK FOLLOW ABC News on ...

Rare bird found inside Hawaii Volcanoes National Park.

Rare bird found inside Hawaii Volcanoes National Park.

The akeake, or band-rumped storm petrel, are heard but rarely seen.

How prisoner exchanges like Brittney Griner’s work

How prisoner exchanges like Brittney Griner’s work

In order to secure Griner’s freedom, the White House had to return notorious arms dealer Viktor Bout to Russia— a move that has been criticized by some.

Arizona Sen. Kyrsten Sinema leaves Democratic Party, becomes an independent

Arizona Sen. Kyrsten Sinema leaves Democratic Party, becomes an independent

The move comes after Congress passed the Respect for Marriage Act, which codifies protections for same-sex and interracial marriages into law.