Authorities and former classmates of the Highland Park shooting suspect say his past was littered with warnings, including a trail of violent social media posts. NBC News’ Dasha Burns has more details including how authorities were called in 2019 by a family member because of alleged threats that he was going to kill people.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC …

British Prime Minister Boris Johnson says he will not step down despite growing calls for him to resign, the U.S. will double the testing capacity for monkeypox as the outbreak spreads, and the chief of NASA warns that China could try to take over the moon by 2030.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews …

Congressman Adam Kinzinger shared a number of threats his office has received in response to his work on the committee. ABC News’ Em Nguyen has the details and the committee’s next step. Original source (ABC/Youtube)