- American Troops at Border Won’t Have Guns, Mattis SaysNew York Times
- Mattis can now order lethal force at border, MPs training with riot gearNBCNews.com
- Migrant caravan: Troops ‘unarmed’ at US-Mexico border, Mattis saysBBC News
- White House approves use of force, some law enforcement roles for border troopsArmyTimes.com