gun violence

Thousands gathered for a candlelight vigil in Parkland, Fla., to honor the memory of the 17 people killed on Wednesday when a gunman opened fire at a local high school.

There were tearful remembrances at the Pine Trails Park Amphitheater, as well as open sobbing, and at one point, some in the crowd erupted into a chant of "No more guns!"

Updated at 7 p.m. ET

Court documents say the suspect in the shootings at a South Florida high school has confessed to investigators. Nikolas Cruz, 19, has been booked on 17 charges of premeditated murder at Broward County's Main Jail in Fort Lauderdale, Fla.

Editor's note: This story was originally published in October and has been republished with updates following the shooting Wednesday in Florida.

It was the deadliest school shooting since a gunman took 26 lives at Sandy Hook Elementary in Newton, Conn. On Wednesday, a shooter killed at least 17 people at Marjory Stoneman Douglas High School in Parkland, Fla.

Updated at 2:40 a.m. ET on Thursday

The Broward Sheriff's Office has identified the suspect in Wednesday's deadly school shooting as 19-year-old Nikolas Cruz, a former student who had been expelled for disciplinary reasons. Law enforcement says Cruz carried out the attack that killed at least 17 people at Marjory Stoneman Douglas High School and left others hospitalized with gunshot wounds.

Cruz is now in police custody after briefly receiving treatment at a local hospital.

Updated at 10 p.m. ET

The Broward, Fla., sheriff said 17 people are dead in the Wednesday shooting at Marjory Stoneman Douglas High School in the city of Parkland, northwest of Fort Lauderdale. He said a suspect is in custody.

In news conferences after the incident, Sheriff Scott Israel said 12 of the people who died were found inside the school building and two were found just outside. Another victim was on the street, and two people died at the hospital.

This week, when a district court in Las Vegas unsealed nearly 300 pages of police affidavits, the name of a second person of interest in the mass shooting that left 58 people dead was blacked out.

But because of an error, the documents released to The Las Vegas Review-Journal included name of an Arizona man named Douglas Haig, according to the newspaper. And it started another frenzy over whether Stephen Paddock acted alone.

The Douglas County Sheriff's office south of Denver says a suspect fired more than 100 rounds in a shooting that killed one police officer and wounded four others, along with two civilians, on Sunday morning.

The officers were shot after responding to an initial report of domestic violence at the Copper Canyon Apartments just after 5 a.m., Sheriff Tony Spurlock said in a news conference.

After the 2012 school shooting in Newtown, Conn., people across the country went out and bought guns.

A study published Thursday concludes that a subsequent increase in gun exposure led to more accidental firearm deaths than otherwise would have occurred in the months after the school shooting.

When U.S. officials feared an outbreak of the Zika virus last year, the Department of Health and Human Services and state officials kicked into high gear.

They tested mosquitoes neighborhood by neighborhood in Miami and other hot Gulf Coast communities where the virus was likely to flourish. They launched outreach campaigns to encourage people to use bug spray. And they pushed the development of a vaccine.

Devin Kelley, the man we now know killed more than two dozen people at a Texas church on Sunday, escaped a mental health facility before the Air Force could try him on charges that he beat his wife and baby stepson back in 2012.

And President Trump, like many people before him, is pointing to mental health — not guns — as the cause of the church massacre.

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