Mexican authorities transferred Maria de los Angeles Pineda, wife of the recently deposed mayor of Iguala and considered one of the masterminds behind the kidnapping and forced disappearance of the 43 Ayotzinapa students, from house arrest to a maximum security prison. At the same time the students' families and social organizations are demanding a more exhaustive investigation centering on possibly army complicity in the crime. Clayton Conn reports from Mexico City. teleSUR