People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
People visit a makeshift memorial for victims of the Route 91 Harvest mass shooting located on Las Vegas Boulevard and Reno Avenue in Las Vegas, Tuesday, Oct. 3, 2017. Richard Brian Las Vegas Review-Journal @vegasphotograph mass shooting
Las Vegas residents Jatziry Yanez, left, and Ana Carbajal at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Shellie Martin writes a note as her husband Andrew, both of England, looks on Tuesday, Oct. 3, 2017 at a makeshift memorial for the shooting victims in front of the Bellagio hotel-casino in Las Vegas. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
Las Vegas resident David Robles looks at items left at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas residents Elba Armendariz, left and David Robles leave candles at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Matthew Edwards, left, and Sharine Ramos light candles on Tuesday, Oct. 3, 2017 at a makeshift memorial for the shooting victims at the corner of Sahara Avenue and Las Vegas Boulevard in Las Vegas. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
Flowers and a poster are placed at a makeshift memorial for the shooting victims at the corner of Sahara Avenue and Las Vegas Boulevard on Tuesday, Oct. 3, 2017, in Las Vegas. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
Las Vegas residents Jatziry Yanez, left, and Ana Carbajal at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Jessica Yerkey of Ramona, Calif., who was at the Route 91 festival on Sunday, brings flowers to leave at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. She said "we heard what we thought were fireworks, and that’s when we all started running" after a gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas resident Jatziry Yanez lights a candle at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
People take in a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
A sign near a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas residents Elba Armendariz, left and David Robles prepare candles to leave at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas residents Jatziry Yanez, left, and Ana Carbajal at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Antioch Carrillo pauses at a memorial after leaving flowers at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Balloons at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas resident Jatziry Yanez lights a candle at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas residents Elba Armendariz, left and David Robles light candles to leave at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Mike and Jessica Yerkey of Ramona, Calif. pause at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Mike and Jessica Yerkey of Ramona, Calif. pause at a memorial at Las Vegas Boulevard and Sahara Avenue in Las Vegas during the early hours of Tuesday, Oct. 3, 2017. Jessica, an attendee at the concert, said "we heard what we thought were fireworks, and that’s when we all started running" after a gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
United States Conference of Mayors CEO and Executive Director Tom Cochran, left, places roses by a memorial at Las Vegas Boulevard and Reno Avenue outside of the Luxor, near the Route 91 music festival grounds in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Anthony Dominguez of Las Vegas, 17, left, and Genia Dulot of Voice of America, 34, right, glance at a memorial at the corner of Las Vegas Boulevard and Sahara Avenue in remembrance of the Mandalay Bay shooting victims in Las Vegas, Tuesday, Oct. 3, 2017. The shooting took place Sunday night and killed at least 59 people and wounded 525 others. Joel Angel Juarez Las Vegas Review-Journal @jajuarezphoto
Candles are placed at the corner of Las Vegas Boulevard and Sahara Avenue in remembrance of the Mandalay Bay shooting victims in Las Vegas, Tuesday, Oct. 3, 2017. The shooting took place Sunday night and killed at least 59 people and wounded 525 others. Joel Angel Juarez Las Vegas Review-Journal @jajuarezphoto
The marquee at Mandalay Bay displays a message for the victims of Sunday night’s mass shooting on Tuesday, Oct. 3, 2017, in Las Vegas. Bizuayehu Tesfaye Las Vegas Review-Journal @bizutesfaye
A hazardous materials cleanup crew works near the Route 91 music festival grounds along Las Vegas Boulevard near Reno Avenue in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Las Vegas police officers talk at Las Vegas Boulevard and Reno Avenue outside of the Luxor, near the Route 91 music festival grounds in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
People take in the scene at Las Vegas Boulevard and Reno Avenue outside of the Luxor, near the Route 91 music festival grounds in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
A hazardous materials cleanup crew works near the Route 91 music festival grounds along Las Vegas Boulevard near Reno Avenue in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Law enforcement officers near the Route 91 music festival grounds along Las Vegas Boulevard near Reno Avenue in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
A hazardous materials cleanup crew works near the Route 91 music festival grounds along Las Vegas Boulevard near Reno Avenue in Las Vegas on Tuesday, Oct. 3, 2017. A gunman opened fire on attendees of a music festival Sunday night, resulting in the death of 59 people, with over 500 more injured. Chase Stevens Las Vegas Review-Journal @csstevensphoto
Kay Yarnall of Las Vegas, 22, unloads donated supplies for care packages at Evel Pie to be delivered to hospitals, first responders and victims following Sunday night’s mass shooting in Las Vegas, Tuesday, Oct. 3, 2017. Joel Angel Juarez Las Vegas Review-Journal @jajuarezphoto
T.J. Irizarry of Las Vegas, 38, carries pizzas to be delivered to Las Vegas Metro Police Department’s northeast command prepared at Evel Pie in Las Vegas, Tuesday, Oct. 3, 2017. Joel Angel Juarez Las Vegas Review-Journal @jajuarezphoto
Stephanie Miles-Wells of Las Vegas, 31, left, Sinead Kravetz of Las Vegas, 27, second from left, Kelly Fitzpatrick of Henderson, 36, second from right, and Jozalyn Sharp of Las Vegas, 29, right, prepare care packages at Evel Pie to be delivered to hospitals, first responders and victims following Sunday night’s mass shooting in Las Vegas, Tuesday, Oct. 3, 2017. Joel Angel Juarez Las Vegas Review-Journal @jajuarezphoto
People are paying tribute at makeshift memorials following a mass shooting on the Las Vegas Strip .
At lease 59 people were killed and more than 500 others were injured when a gunman opened fire on the Route 91 Harvest Festival, an outdoor country music concert, late Sunday.