Tonight, the chilling new details on the two suspected terror attacks on American soil,

targeting a Michigan synagogue and a Virginia college. Both suspects now tied to terror groups.

The new video first obtained by NBC News, the suspect in the Michigan synagogue attack,

purchasing $2,000 worth of fireworks. The alleged attacker questioned

before about possible terror links, and were learning his own family members were killed

in Israeli strikes just this month. And in Virginia, a convicted ISIS supporter opening fire

in a college classroom, how the student military cadets took him down.

What we've uncovered about the suspect's radical past and is there a growing threat inside the U.S.

The death toll climbing, now six U.S. service members killed in that refueling plane crash in Iraq,

as the Pentagon now activates thousands of more

troops into the region. Back home, winters not over yet, a blizzard set to slam the Midwest.

We're timing it out. Growing chaos at the nation's airports, lines stretching all the way outside,

and as fuel prices surge, airfares on some routes up more than 50%.

The major change to treating cholesterol should you start medication as early as your 30s.

The violent end to a high-speed chase, this car going airborne, how that suspect survived.

The viral video that changed everything for a 78-year-old door dash driver.

Strangers raising hundreds of thousands of dollars so he can now retire.

The moment he found out how much caught on camera.

Nightly News starts right now.

This is NBC Nightly News with Tom Yamas.

And good evening. We begin with a nation on edge, those two separate attacks, both now being

investigated as possible acts of terrorism. The attacks were hundreds of miles apart, but

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