![Marco Ugarte People attend the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government’s lack of interest in investigating the disappearances of Mexico’s over 100,000 missing people. The sign reads in Spanish "I'll exchange my vote for my son," referring to this year's presidential election. (AP Photo/Marco Ugarte)](https://mapi.associatedpress.com/v2/items/50c95b3535bc4733acf6790674168863/preview/preview.jpg?s=680x)
People attend the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government’s lack of interest in investigating the disappearances of Mexico’s over 100,000 missing people. The sign reads in Spanish "I'll exchange my vote for my son," referring to this year's presidential election. (AP Photo/Marco Ugarte)
![Marco Ugarte Maria del Carmen Ayala Vargas, who said her son Ivan Pasrtana Ayala disappeared in 2021, attends the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. Her sign reads in Spanish, "I'm not looking for those to blame, but for my son." (AP Photo/Marco Ugarte)](https://mapi.associatedpress.com/v2/items/7e7f565231b4437dbd23a927dcb091b7/preview/preview.jpg?s=680x)
Maria del Carmen Ayala Vargas, who said her son Ivan Pasrtana Ayala disappeared in 2021, attends the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. Her sign reads in Spanish, "I'm not looking for those to blame, but for my son." (AP Photo/Marco Ugarte)
![Marco Ugarte People attend the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government lacks interest in investigating the disappearances of Mexico’s over 100,000 missing people. (AP Photo/Marco Ugarte)](https://mapi.associatedpress.com/v2/items/5543376da8c0419494c2bc6fa4e944a9/preview/preview.jpg?s=680x)
People attend the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government lacks interest in investigating the disappearances of Mexico’s over 100,000 missing people. (AP Photo/Marco Ugarte)
![Marco Ugarte Maria Hochihua Perez, who said her daughter Nimbe Selene Zepeda Xochihua disappeared on May 30, 2019, wears a sign offering a money reward at the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government lacks interest in investigating the disappearances of Mexico's over 100,000 missing people. (AP Photo/Marco Ugarte)](https://mapi.associatedpress.com/v2/items/52bfcbf1a8c045d1ae4c637b7bffc798/preview/preview.jpg?s=680x)
Maria Hochihua Perez, who said her daughter Nimbe Selene Zepeda Xochihua disappeared on May 30, 2019, wears a sign offering a money reward at the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government lacks interest in investigating the disappearances of Mexico's over 100,000 missing people. (AP Photo/Marco Ugarte)
![Marco Ugarte People attend the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government lacks interest in investigating the disappearances of Mexico’s over 100,000 missing people. (AP Photo/Marco Ugarte)](https://mapi.associatedpress.com/v2/items/74a1b59d6ad8451a9ec47c8fae99e2f5/preview/preview.jpg?s=680x)
People attend the annual National March of Searching Mothers, held every Mother's Day in Mexico City, Friday, May 10, 2024. The marchers say the government lacks interest in investigating the disappearances of Mexico’s over 100,000 missing people. (AP Photo/Marco Ugarte)