Now Playing: Bin Laden Compound Raid: First Look Inside

Now Playing: May 2, 2011: Osama Bin Laden Killed Near Islamabad

Now Playing: Supreme Court takes on DACA

Now Playing: Anti-Islamophobia demonstration takes to the streets in Paris

Now Playing: 2 whales breach off Australia’s Victoria coastline

Now Playing: Waterbombers brought in to assist in New South Wales wildfire battle

Now Playing: Baby penguin, cold weather and protests in Bolivia: World in Photos, Nov. 11

Now Playing: SigDigs: Nov. 11, 2019

Now Playing: Hong Kong protester shot by police, set on fire

Now Playing: Hero brother speaks out about Mexico attack

Now Playing: President of Bolivia resigns amid allegations of election fraud

Now Playing: It’s Morning, America: Monday, Nov. 11, 2019

Now Playing: Teen hero in deadly ambush describes saving family members

Now Playing: Across the Pond: Hong Kong police shoot protester

Now Playing: Police open fire on Hong Kong demonstrators

Now Playing: Australian firefighters drive into flames

Now Playing: Bolivian President Evo Morales steps down

Now Playing: Langfords, 100 members of Mormon families leave Mexico after ambush

Now Playing: Queen Elizabeth was joined by the Royal family at a festival honoring war veterans

Now Playing: Connecticut man charged in Caribbean killing