Texas state police cars block the access to the Walmart store in the aftermath of a shooting in El Paso, Tx., Saturday, Aug. 3, 2019.AP
People smile at the end of a vigil for victims of a mass shooting at a shopping complex Sunday, Aug. 4, 2019, in El Paso, Texas.AP
Members of the FBI evidence response team investigate the scene of a mass shooting at a shopping complex Sunday, Aug. 4, 2019, in El Paso, Texas.AP
Rene Aguilar and Jackie Flores pray at the makeshift memorial for the victims of Saturday's mass shooting at a shopping complex in El Paso, Texas, Sunday, August 4, 2019.AP
The American flag files at half-staff at the White House in Washington, Sunday, Aug. 4, 2019, to honor those killed in two mass shootings.AP
Flowers and a Virgin Mary painting adorn a makeshift memorial for the victims of Saturday mass shooting at a shopping complex in El Paso, Texas, Sunday, August 4, 2019.AP
Cathe Hill wipes tears from her eyes during a vigil for victims of a mass shooting at a shopping complex Sunday, Aug. 4, 2019, in El Paso, Texas.AP
People comfort each other during a vigil for victims of a mass shooting at a shopping complex Sunday, Aug. 4, 2019, in El Paso, Texas.AP
Clockwise from left, Gabriela Lopez and her husband Roberto Lopez comfort their children Santi Lopez and Max Lopez during a vigil for victims of Saturday's mass shooting.AP
People rise their phones in a solidarity vigil for the 3 Mexican citizens who died in El Paso, Texas, Mexicans gathered in Ciudad Juarez, Mexico, Saturday, August 3, 2019.AP
Presidential candidate and former congressman Beto O'Rourke meets with mass shooting survivor, Rosemary, at University Medical Center in El Paso, Texas on Sunday, Aug. 4, 2019.AP
El Paso police stage in front of a Walmart store at 7101 Gateway Blvd. West during an active shooter incident there Saturday.AP
An El Paso police officer talks to women at an intersection near where an active shooter incident took place Saturday, August 3, 2019, in El Paso, TX.AP
Police tape strung across an intersection behind the WalMart store in 7101 Gateway Blvd. West Saturday, August 3, 2019, in El Paso, TX.AP
A law enforcement officer walks near where an active shooter incident took place Saturday, August 3, 2019, in El Paso, TX.AP
El Paso police officers from all over town are called to an active shooter incident Saturday, August 3, 2019, in El Paso, TX.AP
Law enforcement officers make their way along a walkway between a WalMart and a SAM's Club store during an active shooter incident Saturday, August 3, 2019, in El Paso, TX.AP
U.S. Customs and Border Protection officers stage along a street near the site of an active shooter incident Saturday, August 3, 2019, in El Paso, TX.AP
People walk into an elementary school to look for loved ones near the site of an active shooter incident Saturday, August 3, 2019, in El Paso, TX.AP
U.S. Customs and Border Protection officers gather near an active shooter incident Saturday, August 3, 2019, in El Paso, TX.AP
Ambulances stage in the parking lot of a SAM'S Club store during an active shooter incident Saturday, August 3, 2019, in El Paso, TX.AP
El Paso Police Department Sgt. Robert Gomez briefs media on a shooting that occurred at a Walmart near Cielo Vista Mall in El Paso, Texas, on August 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Armed Policemen gather next to an FBI armored vehicle next to the Cielo Vista Mall as an active shooter situation is going inside the Mall in El Paso on August 03, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content
Law enforcement agencies respond to an active shooter at a Walmart near Cielo Vista Mall in El Paso, Texas, Saturday, Aug. 3, 2019.Creative Content