Sign told Fox News his family has received numerous death threats since he broke the story about the meeting in the lead up to the 2016 election.
"My family received significant death threats shortly after breaking this story," Sign said on Monday. "Credit cards hacked. You know, my children, we have code words. We have secret code words that they know what to do."
https://www.washingtonexaminer.com/news/reporter-who-broke-story-on-clinton-lynch-tarmac-meeting-theres-so-much-that-doesnt-add-up
You can buy his book about it here: Secret On The Tarmac
Of course, this bravery isn't mentioned in the main article. At least his kids know the truth.