(CNN Spanish) –– A week before the ninth anniversary of the disappearance of the 43 Ayotzinapa students, President Andrés Manuel López Obrador met Wednesday with the parents of the young people at the National Palace. According to the Presidency of Mexico, it was a private meeting, but in which a full report of the progress in the investigation of the case would be given.

"It is very important that they have all the information about what is being done to find the young people of Ayotzinapa. It is a commitment we made and, of course, to punish those responsible," Lopez Obrador said Wednesday from his usual morning news conference.

CNN has contacted the defense of the families of the 43 missing Ayotzinapa students, but so far there is no statement.

The Undersecretary of Human Rights, Population and Migration of the Ministry of the Interior of Mexico, Alejandro Encinas, reported on June 26 that a federal judge in the state of Mexico issued a formal prison order against eight military detainees after being accused of the crime of forced disappearance of the 43 Ayotzinapa students in 2014.

• Mexican Government Reports 8 Military Detainees Jailed for Alleged Enforced Disappearance in Ayotzinapa Case

Previously, on June 21, Vidulfo Rosales, lawyer for several relatives of the 43 Ayotzinapa students disappeared in 2014, told CNN that they were eight of the 16 soldiers with arrest warrants allegedly involved in that case, which the Attorney General's Office of the Republic of Mexico (FGR) had managed to reactivate the previous week.

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CNN requested more information on this matter from the FGR, the Secretariat of National Defense (Sedena) and the Federal Judiciary Council.

The chief executive also denied that his government had hidden information from the Army from the investigation, as the Interdisciplinary Group of Independent Experts (GIEI) pointed out on July 25 during the presentation of a work report on the case, when they said that they have encountered obstacles in accessing information from the Ministry of National Defense that would lead them to clarify what happened in Ayotzinapa.

• Group of Experts in the Ayotzinapa Case Denounces Concealment of Information by the Ministry of National Defense and Withdraws from the Investigation

"We have told the president that the information that we have said is missing, does exist, and that it must be turned over," Beristain told CNN on July 25.

López Obrador affirmed that it was the GIEI's own experts, Carlos Beristain and Ángela Buitrago, who decided to conclude their mission in Mexico.

"They made the decision to end their work, they presented a report, we asked them to leave," the president said.

Stock image.

In addition to the meeting of the Mexican Government with the families of the young people from this week until September 27, the day on which the disappearance of the young normalistas occurred in Iguala, Guerrero, in 2014, a day will be held in commemoration with actions such as floral offerings and seedlings in Mexico City and Guerrero.

In August 2022, the former head of the now-defunct Attorney General's Office (PGR), Jesús Murillo Karam, was arrested by the Attorney General's Office on charges of enforced disappearance, torture and obstruction of justice. In September of that year, a district judge granted a definitive suspension to the former prosecutor against the link to the process for those crimes.

During his administration, Murillo Karam presented and defended the "historical truth", as the explanation that the authorities of that time gave about the facts is known and that now the Attorney General's Office considers a fabrication. This first version maintains that the students were kidnapped by members of the criminal group Guerreros Unidos, who then murdered and incinerated them in a garbage dump in the municipality of Cocula, Guerrero.

The Government of Mexico has said that the disappearance of the 43 young people was "a crime of State", in which members of the criminal group Guerreros Unidos "and agents of various institutions of the Mexican State" participated.

The Undersecretary of Human Rights, Population and Migration of the Ministry of the Interior, Alejandro Encinas, has indicated that municipal, state and federal authorities "were aware of the mobilization of the students" from their departure from the Isidro Burgos Normal School in Iguala until their disappearance.

Here's what you need to know

According to Mexican authorities, the missing students were preparing for a demonstration between the night of September 26 and the early morning of September 27, 2014, when they were attacked by corrupt police in collusion with the criminal group Guerreros Unidos. In this case, which shocked Mexico, dozens of people – including police and other officials – are detained.

In August 2022, the former head of the now-defunct Attorney General's Office (PGR), Jesús Murillo Karam, was arrested by the Attorney General's Office on charges of enforced disappearance, torture and obstruction of justice. In September of that year, a district judge granted a definitive suspension to the former prosecutor against the link to the process for those crimes.

During his administration, Murillo Karam presented and defended the "historical truth", as the explanation that the authorities of that time gave about the facts is known and that now the Attorney General's Office considers a fabrication. This first version maintains that the students were kidnapped by members of the criminal group Guerreros Unidos, who then murdered and incinerated them in a garbage dump in the municipality of Cocula, Guerrero.

Last December, the Council of the Federal Judiciary of Mexico rejected the request for house arrest of former prosecutor Jesús Murillo Karam and determined that he remain detained.

The Government of Mexico has said that the disappearance of the 43 young people was "a crime of State", in which members of the criminal group Guerreros Unidos "and agents of various institutions of the Mexican State" participated.

The Undersecretary of Human Rights, Population and Migration of the Ministry of the Interior, Alejandro Encinas, has indicated that municipal, state and federal authorities "were aware of the mobilization of the students" from their departure from the Isidro Burgos Normal School in Iguala until their disappearance.

Events commemorating the disappearance of the Ayotzinapa 43

These are the actions that accompany, until September 27, the ninth anniversary of the disappearance of the 43 students from Ayotzinapa.

Mexico City

September 20-22 National sit-in in front of the Attorney General's Office (FGR).

September 23-25 Sit-in in front of the Federal Judiciary Council

September 26 Global Action for Ayotzinapa and Mexico. March from the Angel of Independence to the Zocalo (16:00 p.m.).

Iguala, Guerrero

September 27 Floral offering in memory of the 43 missing students (11:00 am).

AyotzinapaThe 43 of Ayotzinapa