so we went to talk to jose francisco gallardo a former army general, to try to get insight into whatmay have happened. omar says the only thing they wanted from the army was help for their injured friends. despite there being a large military presence in guerrero as part of the government's operations against cartels even before the students were attacked criminal groups seemed to have no problem taking control of places like iguala... ...receiving regular payments from mayor jose luis abarca, and taking control of the local police going so far as to choose new recruits according to the government. >> what worries me the most is that you have a complete vacuum of state institutions that are supposed to investigate, to prosecute to prevent such level of forced disappearances like is happening in mexico. >> edgardo buscaglia is an investigator who has worked with numerous governments and civil society to combat corruption particularly in mexico. >> pena nieto made a lot of noise about fighting corruption but you don't see any actions implemented yet. a perfect storm is taking place whe