The Supreme Court, seen behind the stop light, is hearing arguments in a case testing the legality of a federal regulation banning devices that modify semiautomatic weapons to speed the firing mechanism. Andrew Caballero-Reynolds/AFP via Getty Images hide caption
MGM Resorts International has agreed to pay up to $800 million to settle thousands of liability claims stemming from the 2017 mass shooting in Las Vegas. The shooter holed up in a room on the 32nd floor of the MGM-owned Mandalay Bay resort and casino. John Locher/AP hide caption
Survivor Susanan Anely stands on the sidewalk bordering the Healing Garden in Las Vegas. Since Route 91, she has moved back to Las Vegas, started a new job, gotten promoted, started school and fallen back in love with photography. Bridget Bennett hide caption
On Tuesday, the FBI announced it could not uncover what drove Stephen Paddock to kill 58 people, honored at a memorial, and injure hundreds more in October 2017 in Las Vegas. Drew Angerer/Getty Images hide caption
People gather to pray for the victims of a mass shooting during a candlelight vigil in Thousand Oaks, Calif., Thursday, Nov. 8, 2018. A gunman opened fire Wednesday evening inside a country music bar, killing multiple people, including a responding sheriff's sergeant. Ringo H.W. Chiu/AP hide caption
On Oct. 2, 2017, drapes billow out of broken windows at the Mandalay Bay resort on the Las Vegas Strip, following a deadly shooting at a music festival. On Tuesday, the company that owns the hotel offered to make a $500 charitable donation for victims who authorize their lawyers to accept legal notice of the company's lawsuit. John Locher/AP hide caption
Clark County Sheriff Joe Lombardo announced the end of the department's investigation of the October 2017 mass shooting in Las Vegas on Friday. Lombardo told reporters that officials could not determine a "definitive motive" that prompted the massacre. John Locher/AP hide caption
Crime scene tape surrounds the Mandalay Bay Resort and Casino in Las Vegas on Oct. 2, 2017. The broken windows show the room where a gunman sat as he opened fire on a country music festival, killing 58 people and wounding more than 500 others. Mark Ralston/AFP/Getty Images hide caption
Tourists pose for photos in front of the city's welcome sign near Mandalay Bay, which doubled as a memorial site after the shooting last October. On Wednesday, Las Vegas police released more than 1,000 pages of witness statements giving a deeper look into the moments leading up to the massacre. Mark Ralston/AFP/Getty Images hide caption
Damaged windows on the 32nd floor room at the Mandalay Bay Resort and Casino used by gunman Stephen Paddock are seen on Oct. 2, 2017. Las Vegas police have released some footage from officers' body cameras. Mark Ralston/AFP/Getty Images hide caption
Slide Fire Solutions announced Tuesday it will stop taking orders for its line of bump stock products on May 20. George Frey/Getty Images hide caption
Stephen Paddock smiles as a valet helps him transport luggage to his hotel room on Sept. 26. MGM International Resorts hide caption
Douglas Haig held a news conference after being charged with selling unlicensed bullets to Stephen Paddock, the gunman behind the Las Vegas massacre. Brian Skoloff/AP hide caption
A small sledgehammer, bullet casings and broken glass are seen in this photo of the interior of Stephen Paddock's room at the Mandalay Bay hotel in Las Vegas, where he carried out a massacre in October. Las Vegas Metropolitan Police Department hide caption
Newly released court documents suggest the Las Vegas shooter's girlfriend, Marilou Danley, acted quickly after the Oct. 1 shooting to conceal her relationship with Paddock. Mark Ralston/AFP/Getty Images hide caption
Donald Trump waits to step onto the portico for his presidential inauguration on Jan. 20. Patrick Semansky/AP hide caption
The 58 fatalities in October's mass shooting in Las Vegas were all caused by gunshot wounds, the county coroner and medical examiner said Thursday. A makeshift memorial on the south end of the Las Vegas Strip a few days after the shooting has photos of some of those who were killed. Robyn Beck/AFP/Getty Images hide caption
Multiple lawsuits have been filed by victims of the Oct. 1 mass shooting in Las Vegas. The company that owns the Mandalay Bay, MGM Resorts International, is among the parties being sued. Robyn Beck/AFP/Getty Images hide caption
More than 50 structures from coast to coast, including the top of 731 Lexington Ave. in Manhattan, seen here, were lit up in orange Wednesday in honor of the Las Vegas shooting victims. Guillaume Gaudet/RXR Realty hide caption
Jesus Campos, the hotel security guard who was shot the night that Stephen Paddock killed 58 people, gave his first media interview to Ellen DeGeneres. The shooter fired from windows he broke in a suite at the Mandalay Bay, pictured on Oct. 2, the day after the massacre. David Becker/Getty Images hide caption
The parent company of the Mandalay Bay Resort and Casino had put out a statement that appeared to contradict the police timeline of the mass shooting. Drew Angerer/Getty Images hide caption
Fifty-eight white crosses for the victims of the shooting on the Las Vegas Strip earlier this month are arrayed Oct. 6 just south of the Mandalay Bay hotel. The shooter fired down on a crowd of concertgoers from a room in the hotel, and on Thursday its parent company disputed the police timeline of the attack. Robyn Beck/AFP/Getty Images hide caption
A small group prays at a makeshift memorial for victims of the Las Vegas massacre. Drew Angerer/Getty Images hide caption
Police officers block a stretch of street in front of the Mandalay Bay Resort and Casino on the night of the shooting in Las Vegas. John Locher/AP hide caption