NBC Nightly News Broadcast (Full) – March 18th, 2021 | NBC Nightly News

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What we know about the Atlanta shootings investigation, FBI releases new video of attacks on police officers at Capitol riot, and Covid cases rising in at least 13 states.

Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m….