NBC News’ Lester Holt goes inside lab creating potential coronavirus treatment

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People travel to Uvalde to show support
01:30
Federal government uses defense production act for the third time this week
01:47
Jury deliberations begin in Depp v Heard trial
02:28
Memorial Day Weekend hit with severe weather warnings
01:19
Demonstrators protest annual NRA meeting in aftermath of Uvalde school massacre
01:44
Federal investigators scrutinize Uvalde police actions during shooting
01:58
Uvalde, Texas community pushes for answers from law enforcement
01:28
Texas DPS Director admits police were slow to act during the Uvalde elementary school massacre
03:21
Uvalde community takes action in grief
01:29
Ray Liotta passes away at 67 years old
01:29
Carnival Freedom cruise ship catches on fire
01:13
Senators in Washington see a chance for new gun legislation
02:03
Students and parents remember the day of the Uvalde, Texas massacre
05:07
Police face questions on Texas elementary school shooting timeline
04:17
Beto O’Rourke confronts Gov. Greg Abbott after Uvalde massacre: ‘This is on you’
02:49
Uvalde, Texas massacre: What we know about the victims
02:58
19 children, 2 teachers killed in Uvalde, Texas school shooting
03:49
Baby formula manufacturing plant plans to reopen in June
02:16
Uvalde, Texas mayor: 'This town is broken'
01:10
World wonders why America is rife with mass shootings
02:47

UP NEXT
People travel to Uvalde to show support
01:30
Federal government uses defense production act for the third time this week
01:47
Jury deliberations begin in Depp v Heard trial
02:28
Memorial Day Weekend hit with severe weather warnings
01:19
Demonstrators protest annual NRA meeting in aftermath of Uvalde school massacre
01:44
Federal investigators scrutinize Uvalde police actions during shooting
01:58