Here are some of the resources we're using to develop Tuesday's show:
Alleged Las Vegas Cop-Killers in ‘Patriot’ Movement, Warned of ‘Sacrifices’
Las Vegas shooters had expressed anti-government views, prepared for ‘lengthy gun battle’
The Chilling Anti-Government, Cliven Bundy-Loving Facebook Posts of the Alleged Las Vegas Shooters
Antigovernment Obsession Preceded Las Vegas Shootings
How suspected shooters’ fresh start in Las Vegas turned dark
5 U.S. soldiers killed in apparent friendly-fire strike in Afghanistan
Questions surround surge in migrant kids left at border
Woman Waits In Line for 21 Yrs to Immigrate Into US, Then Gets Turned Away For Being Too Old
ARIZONA OFFICIAL SAYS IMMIGRANT KIDS IN GOOD CARE
U.S. to open third military base to illegal child immigrants
Americans still favor immigration reform, despite political friction, study finds
Benghazi: Hillary Clinton's One 'Do-Over'
In ‘Hard Choices,’ Hillary Clinton is seen as hesitant to take big risks