The former deputy director of the Iguala police department, accused of being involved in the arrest and disappearance of the 43 Ayotzinapa students, has been transferred to a maximum security prison, according to media reports Monday.
Francisco Salgado was arrested last week for the illegal possession of firearms.
The former police boss in the state of Guerrero has been accused of ordering the arrest of the 43 students from the Ayotzinapa teachers' training school and handing them over to members of the drug cartel United Warriors (Guerreros Unidos). Authorities say the gang killed the students and burning their bodies to ashes.
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According to witnesses' testimonies, the Guerrero Unidos cartel had Salgado on their payroll, paying him close to US$40,000 a month in return for police protection.
Salgado, who had been on the run since the students' disappeared on Sept. 26 after their bus convoy was attacked by Iguala police, was captured by authorities May 7 as he attended a family reunion.
He has now been transferred to the maximum security prison of Tepic in the central state of Nayarit.
Another 22 officers from the Iguala police force who were arrested last October for their connection to the disappearances of the Ayotzinapa students are also being held in the same detention center.
However, according to a recent report, the police officers underwent torture, cruel treatment and violations of due process while being detained for their alleged role in the disappearance of the Ayotzinapa students. The Inter-American Commission on Human Rights, the human rights body of the Organization of American States, said they received 13 complaints of abuse by the officers.
The body also emphasized an urgent need for independent investigations into the disappearances to continue, demanding that they be allowed access to interview and investigate the army and their involvement in the case without the interference of the Mexican State Attorney.