Defense attorneys argued no potential juror in Las Vegas will be able to set aside the images of Oct. 1 when asked to consider the evidence.
Security guards at the Route 91 Harvest Music Festival didn't cut and run when Stephen Paddock began firing on the crowd.
Therapy dogs from across the country were flown to Las Vegas to provide comfort, help victims and others affected by mass shooting heal.
These are the victims of the deadliest mass shooting in modern U.S. history and what we know about them.
ALL PROCEEDS WILL BENEFIT VETERANS AND THEIR FAMILIES THROUGH THE INFINITE HERO FOUNDATION
One tank was hit twice but the airport says there was never any danger of an explosion.
Las Vegas police provide a minute-by-minute breakdown as the attack on the Route 91 Harvest Festival unfolded on Sunday.
The gunman specifically asked for a room overlooking the country music concert. He may have considered other concerts.
Once a Marine, always a Marine: Taylor Winston commandeered a truck to ferry the wounded in the Las Vegas mass shooting to the hospital.
"He tried to stop the bleeding. There was so much chaos," said friend and colleague Brad Jerbic.
Tens of thousands watched Brennan Stewart sing on Facebook, including over 138,000 of him singing "You Should Be Here" by Cole Swindell.
“Go that way! Go that way! Go that way! Hey, they’re shooting right at us, guys!” police are heard saying on body camera video of the chaos.
"I can hear her laugh, her voice in my head and my heart right now," Her brother, AJ Yerage told KUTV in Salt Lake City.
Marilou Danley may hold the key investigators need to unlock the mystery of why Stephen Paddock opened fire on a Las Vegas music festival.
The large cache of weapons, ammunition and explosives suggest Stephen Paddock planned the attack in advance, Sheriff Joe Lombardo says.
Quinton Robbins looked at his girlfriend as gunfire erupted at the Route 91 Harvest Festival, said "I think I got shot," and collapsed.
SafeWise ranks America's safest cities every year using the latest FBI crime data. See how your city fared.
Ordinary citizens stepped up to save strangers as a gunman pelted them with bullets at a music festival in Las Vegas Sunday.
They came from all walks of life and were at the concert with friends and family.
Karessa Royce, a Las Vegas local, was in the intensive care unit following surgery for a collapsed lung and is expected to live.
Stan King, whose son played for the victim, said he was known as a selfless, respected leader who brought out the best in his players.
Las Vegas' tragic mass shooting presented a unique problem when it comes to securing public event spaces.
Authorities said that all of the victims have been tentatively identified, but a full list of names has not yet been released.
Carly Krygier, who threw herself on top of her daughter to save her, worries about how she will explain the Las Vegas shooting to the child.
Assistant coach Nick Robone was shot at a Jason Aldean concert Sunday night, the Skatin' Rebels men's ice hockey team said in a statement.
People across the country have donated hundreds of thousands of dollars to help victims and their families.
"Just because we rush to ascribe motive when the shooter is Muslim doesn't mean we should rush to ascribe motive when the shooter is white."
Here's what the horrific shooting was like for those on the ground.
The site of the worst mass shooting in the U.S. is a 3,300-room luxury resort and casino with gold-leafed windows and three pools.
The retired Army vet has a long history in law enforcement and has spoken out in favor of gun control.
More than 50 people are dead after a lone wolf fired on a country music festival in Las Vegas.
The gunman in the attack that killed at least 59 and wounded 515 was a high-stakes professional gambler, a pilot and son of a bank robber.
Authorities in Las Vegas are sharing information on where to donate blood and what number family members can call to ask for information.
Police say Stephen Craig Paddock checked into a Las Vegas Hotel on Sept. 28, three days before opening fire on 22,000 concert-goers.
Nearly 60 people were killed and more than 500 injured in the deadliest mass shooting in modern U.S. history in Las Vegas.
President Trump called the attack at a Las Vegas music festival "an act of pure evil."
After nine years in prison for robbery, Simpson was freed on parole early Sunday morning.
A friend with gastrointestinal cancer needs the community's help.
"They did what they were trained to do," Sheriff Joe Lomardo said of his officers.
Oj Simpson, granted parole in Juy, is eligible to be free starting Sunday.