Police pass near the drug rehabilitation center that was attacked the previous day in Irapuato, Mexico, Thursday, July 2, 2020. Gunmen burst into the center and opened fire Wednesday, killing 24 people and wounding seven, authorities said. (AP Photo/Eduardo Verdugo)

Relatives comfort a woman crying outside an unregistered drug rehabilitation center in Irapuato, Mexico, Wednesday, July 1, 2020, after gunmen burst into the facility and opened fire. According to police at least 24 people were killed in the attack. (AP Photo/Mario Armas)

Rosa Alba Santoyo speaks on the phone and is embraced by a woman giving her condolences the day after she lost three of her adult children in an attack on the drug rehabilitation center where they were being treated, at her home in Irapuato, Mexico, Thursday, July 2, 2020. Gunmen burst into the drug rehabilitation center and opened fire Wednesday, killing 24 people and wounding seven, authorities said. After the loss of her three children, only two of Santoyo's seven children remain living. (AP Photo/Eduardo Verdugo)

Relatives of the victims of a shooting at an unregistered drug rehabilitation center wait in anguish outside the rehab center in Irapuato, Mexico, Wednesday, July 1, 2020. Gunmen burst into the center and opened fire, killing more than 20 and wounding several more. (AP Photo/Mario Armas)

Forensic service personnel prepare to enter an unregistered drug rehabilitation center in Irapuato, Mexico, Wednesday, July 1, 2020. Gunmen burst into the rehab center and opened fire, killing more than 20 and wounding several more. (AP Photo/Mario Armas)

Rosa Alba Santoyo is embraced by a woman giving her condolences the day after she lost three of her adult children in an attack on the drug rehabilitation center where they were being treated, at her home in Irapuato, Mexico, Thursday, July 2, 2020. Gunmen burst into the drug rehabilitation center and opened fire Wednesday, killing 24 people and wounding seven, authorities said. (AP Photo/Eduardo Verdugo)

Members of the national guard walk near an unregistered drug rehabilitation center in Irapuato, Mexico, Wednesday, July 1, 2020, after gunmen burst into the facility and opened fire. More than 20 people were killed and several were wounded in the attack, authorities said. (AP Photo/Mario Armas)

Rosa Alba Santoyo shows photos of two of her three adult children who died during an attack on the drug rehabilitation center where they were being treated, at her home in Irapuato, Mexico, Thursday, July 2, 2020. Gunmen burst into the drug rehabilitation center and opened fire Wednesday, killing 24 people and wounding seven, authorities said. (AP Photo/Eduardo Verdugo)

Rosa Alba Santoyo shows photos of two of her three adult children who died during an attack on a drug rehabilitation center where they were being treated, at her home in Irapuato, Mexico, Thursday, July 2, 2020. Gunmen burst into the drug rehabilitation center and opened fire Wednesday, killing 24 people and wounding seven, authorities said. (AP Photo/Eduardo Verdugo)

A cameraman films the drug rehabilitation center that was attacked in Irapuato, Mexico, Thursday, July 2, 2020. Gunmen burst into the center and opened fire Wednesday, killing 24 people and wounding seven, authorities said. (AP Photo/Eduardo Verdugo)