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'Hell to pay': Speaker Pelosi threatens Trump over gun control 06:32
Trump links gun violence to mental illness, backs away from background checks 05:06
Surveillance video reveals new details of Dayton shooting 00:40 Now Playing
Police review Dayton mass shooting video evidence, frame by frame 12:18 UP NEXT
Friend of Dayton gunman allegedly bought ammunition for shooter 00:31
Sen. Klobuchar on her new gun-safety proposal 07:37
Federal prosecutors: Dayton shooter’s friend bought body armor, magazine round 02:52
In the Shadow of The Shootings: Will Congress Act on Gun Control? 13:33
Full Panel: Senate weighs 'Red Flag' laws after dual mass shootings 08:13
With a nation in mourning, President Trump spends week attacking political opponents 01:30
President Trump once again talks about background checks after a mass shooting 02:48
As political tide turns on guns, Judiciary may reconvene early 03:46
Time Magazine says 'Enough' mass shootings 12:45
Why some business leaders are speaking publicly about Trump 08:34
'Please show some leadership,' Trump critic urges 12:54
Trump faces protests, criticism amid visit to shooting cities 02:20
Biden delivers blistering rebuke of Trump 13:08
Trump plays the victim while visiting victims 13:14
Biden: Trump fanned the flames of white supremacy 06:34
Divisive Trump presence disrupts Dayton community's healing unity 08:37
Police review Dayton mass shooting video evidence, frame by frame Catch up with NBC News Clone on today's hot topic: Police Review Dayton Mass Shooting Video Evidence Frame By Frame 66013765673 - Breaking News | NBC News Clone . Our editorial team reformatted this story for clarity and speed.
12:18 During a news conference, police in Dayton, Ohio, present an in-depth look at video evidence they are using in their investigation into a mass shooting that left ten people dead, including the gunman. Aug. 13, 2019
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'Hell to pay': Speaker Pelosi threatens Trump over gun control 06:32
Trump links gun violence to mental illness, backs away from background checks 05:06
Surveillance video reveals new details of Dayton shooting 00:40 Now Playing
Police review Dayton mass shooting video evidence, frame by frame 12:18 UP NEXT
Friend of Dayton gunman allegedly bought ammunition for shooter 00:31
Sen. Klobuchar on her new gun-safety proposal 07:37 
