Up Close: Remembering 9/11 with FDNY Commissioner Dan Nigro

NEW YORK (WABC) -- Each year they gather at Ground Zero.

Family and friends of the victims who went to work on that deep blue late summer morning 16 years ago, and never came home - nearly 3,000 of them.

Their names are read one by one one.

343 members of the New York City Fire Department were killed in the September 11th attacks.

37 Port Authority officers died and 23 New York City police officers were also killed.

Last Thursday, the Fire Department added the names of 32 members to the FDNY World Trade Center Memorial Wall.

They died of illnesses related to their work in the rescue and recovery effort at an extremely toxic Ground Zero.

Joining us is FDNY Commissioner Daniel Nigro.

After the September 11th attacks, he was named Chief of Department, the highest ranking uniformed position in the FDNY.

Also this week, they call them 'Dreamers' - children of undocumented immigrants - brought here by their parents as kids.. schooled here, Americanized and working.. paying taxes, contributing, getting educated.

So why did President Trump pick them to crack down on?

He did when he announced he wanted the DACA program eliminated.

It has sparked protests around the country - and has put many members of Mr. Trump's own party directly at odds with their president.

So what now?

ABC News political director Rick Klein joins us from the ABC News bureau in Washington.

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Part 2 of Up Close

Finally, the redevelopment of what was once Ground Zero in Lower Manhattan was for a decade enormously controversial.

Remember the arguments? Should we rebuild - bigger? Or should we keep it hallowed ground.

In the end - a compromise. Bigger than before.

And an incredible memorial and museum - dedicated to the victims of 9/11.

Eyewitness News reporter N.J. Burkett has a candid interview and tour with Larry Silverstein, the prime developer of the new World Trade Center towers.

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Part 3 of Up Close

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