Tonight, the shocking new twists in the hunt for the killer of the health insurance CEO,

what police found inside what they believe is the shooter's backpack.

The new photo of the backpack abandoned in Central Park.

Inside a stack of monopoly money.

Is it a message from the killer?

The murder weapon still missing.

Plus what police revealed about his time at a

hostel, days of eating meals with his mask on. The historic moment in Paris today, the doors of

Notre Dame Cathedral finally reopened the bells ringing once again.

The stunning ceremony filled with music and pageantry.

Craig Melvin is there for us.

President-elect Trump on the world stage,

meeting with Ukraine's president.

What he told our Kristen Welker exclusively about his plans for the war in Ukraine.

Syria on the brink, rebel forces closing in on the country's capital.

Is the regime about to fall?

A convicted murderer caught on camera escaping the corrections officer chasing him.

Why didn't he fire his weapon?

Now the manhunt.

And the giant drone, the size of a car, hovering over Pentagon leaders at a conference,

the latest in a series of mystery drone sites.

These drones are coming out of who knows where.

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