Santa Fe High School shooter studied previous mass shootings, acted alone: Sources

May 21, 2018

Dimitrios Pagourtzis, 17, researched the tactics of other mass shooters, sources said.

Video shows man accused of 'punching' pregnant deaf woman, service dog being shoved

May 21, 2018

More details are coming out after a deaf man accused a stranger of punching his service dog and pregnant wife during a late evening flight from Colorado to Florida.

Father intentionally crashes into restaurant, killing daughter: Police

May 21, 2018

Police say the father went in with his family, then left and drove into them.

Lava reaches ocean in Hawaii, creating toxic cloud over island

May 21, 2018

A man was seriously when he was hit in the leg by lava splatter.

Search continues for 2 inmates charged with murder who escaped from jail

May 21, 2018

Three inmates escaped from the South Carolina jail, but one was caught Sunday.

Santa Fe shooting victim's mother says daughter turned down suspect's advances

May 20, 2018

The victim's mother said she was not interested in dating Pagourtzis.

Kelly Clarkson calls for action in response to school shootings at Billboard Awards

May 21, 2018

The singer from Texas argued you should "live your life without ... fear."

Santa Fe shooting victim 'wanted to impact the world,' foreign exchange family says

May 20, 2018

She arrived from halfway around the globe but 17-year-old Sabika Sheikh was determined to bring her native Pakistan closer to America.

Alleged Santa Fe gunman repeated 'another one bites the dust' amid carnage: survivor

May 21, 2018

The suspect, 17-year-old Dimitrios Pagourtzis, is in custody.

The Latest: Man faces 2 murder charges in restaurant plowing

May 20, 2018

Jail records show the man accused of intentionally plowing a vehicle into a Bessemer, North Carolina, restaurant is facing two counts of first-degree murder

As nation mourns Santa Fe shooting victims, Texas governor tries to find 'solutions'

May 20, 2018

Prayers were said at churches across Texas and the nation on Sunday for those killed and wounded in the country's latest school shooting.

Over 2 dozen people rushed to hospital after bad reaction to synthetic weed

May 20, 2018

Over two dozen people had a bad reaction to synthetic pot on one street corner.

8 months after Hurricane Maria, the death toll in Puerto Rico remains a mystery

May 20, 2018

The death in Puerto Rico has remained a mystery following the Category 4 storm.

WATCH: Cougar kills mountain biker, injures another

May 21, 2018

Isaac Sederbaum, 31, told police the cougar let him go before chasing his biking partner into the woods near Seattle.

WATCH: Texas victim describes being in deadly shooting

May 21, 2018

Tenton Beazley tells "GMA" how he helped his classmates despite being shot himself while in art class at Santa Fe High School.