CNN probably saw the video the shooter made before it got deleted to cover up there being a credible threat for the SS director to act on. They could have been tipped off directly, but monitoring social media seems like a good way for a news network to keep a finger on the pulse of their audience.
Because CNN was tipped off.
CNN probably saw the video the shooter made before it got deleted to cover up there being a credible threat for the SS director to act on. They could have been tipped off directly, but monitoring social media seems like a good way for a news network to keep a finger on the pulse of their audience.