Samantha Raphelson

Updated at 6:22 p.m. ET

The 17-year-old who is accused of opening fire at a Texas high school on Friday, killing at least 10 people and wounding 13 others, has been charged with capital murder and aggravated assault.

Updated on Sunday at 10:00 a.m. ET

Hundreds of thousands of students, teachers, parents and victims rallied in Washington, D.C., and across the country on Saturday to demand tougher gun control measures, part of a wave of political activism among students and others impacted by school shootings.

As lawmakers in Washington consider a path forward on immigration policy, the debate is playing out along desolate stretches of the southwestern border where at least 7,209 people have died while crossing illegally over the past 20 years.

The recent arrest of an activist from the group No More Deaths is highlighting the rising number of people who die crossing the U.S.-Mexico border and the challenges that humanitarian workers confront when they try to help.

Updated at 1:07 p.m. ET

President Trump insisted Saturday that he is "a very stable genius," following the recent publication of a book that raises questions about his mental state and fitness for office.

Speaking to reporters at Camp David on Saturday, Trump called Michael Wolff, author of Fire and Fury: Inside The Trump White House, "a fraud" and reiterated his earlier claim on Twitter that Wolff is not trustworthy.

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