Mexican authorities have opened new lines of inquiry into the 2014 disappearance of 43 students from the Ayotzinpa rural teachers’ college. One of these lines of inquiry concerns possible links between the criminal group Guerreros Unidos, police officers, government officials, a funeral home, and the forensic medical service (SEMEFO) in Iguala, Guerrero state.

The findings were announced on September 28, 2026, by Deputy Minister for Human Rights Arturo Medina Padilla and Special Prosecutor for the Ayotzin case Mauricio Pazaran. According to them, the investigation was not restarted from scratch: investigators reexamined phone records from the night of the attack and subsequent communications, as well as documents, witness statements, and forensic evidence gathered over more than ten years.

As a result, 17 individuals who had not previously been included in the investigation were identified. The authorities emphasized that these are suspects in the investigation, not individuals whose guilt has already been proven. The analysis also revealed connections between members of Guerreros Unidos, municipal and regional police officers, government officials, and individuals associated with funeral homes.

The Funeral Homes Connection

One of the focal points was the “El Ángel” funeral home in Iguala. According to authorities, its owner, identified as Rodolfo “N,” was also linked to the operations of the regional SEMEFO. The prosecutor reported that three members of Guerreros Unidos were in contact with Rodolfo “N” in the early hours of September 26 and on the morning of September 27, 2014. The funeral home owner also allegedly contacted Irvin “N”—a student who had been in contact with members of the criminal group—eight times.

Investigators are examining whether the funeral homes and SEMEFO could have been used to conceal or destroy evidence related to the students. Authorities have not established that all 43 students were cremated at the funeral home; this remains a theory that must be verified through physical evidence, witness testimony, and communications data.

During a search of “El Ángel” in October 2025, investigators found a human femur in a box, a firearm, documents related to Irvin “N,” and a cremation furnace, which, according to authorities, was not officially registered. During further searches from March through June 2026, 23 significant items and materials were discovered, including biological and bone fragments; which remain under forensic analysis. At the request of the families, the Argentine Forensic Anthropology Group has also joined the investigation.

Cell Phones, Detentions, and Other Theories

Authorities are examining three cell phones that belonged to the missing students and their use after the young people disappeared. It has been established that one of them was used by a former Iguala official. On August 24, 2026, an arrest warrant was issued for him on charges of organized crime and forced disappearance. Another phone is believed to have been used by a municipal police officer from Iguala. Analysis of the third device has strengthened the theory that some of the students may have been taken to a municipal holding cell.

A reexamination of the case files identified a person who was 14 years old at the time of the events and who had not been previously located. In testimony given on July 30, 2026, he provided information about members of Guerreros Unidos. A separate investigation is underway into the possible concealment of surveillance camera footage from the Guerrero State Supreme Court; cases have been filed against two former public officials in connection with this matter.

Authorities reported that seven detainees were transferred to the Altiplano maximum-security prison to face trial in connection with the funeral home and SEMEFO. In addition, the investigation involves 162 cases and 168 individuals who are currently on trial; 130 of them are in custody. According to authorities, between October 2024 and September 2026, arrest warrants were executed against former municipal police officers, alleged members of criminal groups, officials, a forensic medical examiner, businesspeople, and civilians.

The Families’ Demands

The students disappeared following a series of coordinated attacks in Iguala on the night of September 26 and early morning of September 27, 2014. Six people were killed, and dozens were injured. Prior to the attack, the students had taken control of several buses while on their way to a demonstration.

To date, the remains of only three of the 43 students have been identified, and the young people themselves are officially considered missing. Relatives are demanding that the full picture of what happened be established, that the search continue, that the approximately 800 pages of military intelligence from the Ministry of National Defense be handed over to them, and that the Interdisciplinary Group of Independent Experts (GIEI) resume its work.

The families are holding large marches in Mexico City. According to them, eight parents have died without ever learning the fate of their children. Authorities state that they will continue to review the available evidence and hold those responsible accountable; however, the role of the 17 new suspects and the significance of the discovered evidence have not yet been determined.