NBC Nightly News with Tom Llamas Full Episode - Aug. 20

New video shows aircraft collision; FBI seizes former Rep. Eric Swalwell's electronic devices and searches his home; Alleged New York terror plot foiled; and more on tonight's broadcast.

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00:00 Introduction 01:54 Deadly helicopter and plane collision 04:21 Suspected tornadoes slam the Northeast 06:22 Feds seize Eric Swalwell's devices 08:44 ISIS-inspired threat arrest in New York 10:13 DEA investigates Hayden Panettiere's death 11:02 Philadelphia horror suspect unmasked 12:14 Donald Trump's reunion with former fixer and foe Michael Cohen 14:22 Drone delivery turbulence 16:20 Alarming texts in teen stabbing case

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