Tonight, the search for answers about those mystery drones intensifying as the sightings spread to more states.

The growing alarm after nearly 80 reported sightings overnight in New Jersey alone.

And now the mystery objects spotted in several other states in the northeast.

Maryland's former governor saying dozens flew over his own home, where are they coming from, and who's

controlling them? President-elect Trump now demanding answers saying, let the public know

or shoot them down. Also tonight, the new timeline in the CEO murder investigation, the tip the FBI

got before the suspect's arrest from a police officer on the other side of the country.

And why police believe he may have targeted United Healthcare CEO, even though he wasn't

insured by the company. The new lead in the search for an American missing in Syria, the witness

who says he saw Austin Tice alive, and the new photo, what Tice may look like now.

For the first time, the woman who falsely accused three Duke lacrosse players of rape

nearly 20 years ago publicly admitting why she says she made it all up.

This is NBC Nightly News with Lester Holt.

Good evening and welcome.

Official reassurances to the public have only increased the calls for hard answers about unexplained nightly sightings in the skies over New Jersey and now several other states.

And now dozens of new reports coming in overnight, including

some from high-profile figures.

While widely presumed to be drones, the mysterious craft have so far displayed no malicious

intent, and their presence hasn't seemed to be generating the level of alarm in Washington,

many think, is warranted.

But that is changing. Lawmakers feeling the

heat from worried constituents are becoming increasingly vocal in demanding answers about what they

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