In September, a group of students went missing in the Mexican state of Guerrero. Disappearances are not unusual in Mexico - official figures put the number at over 20,000 since 2006. But this case has sparked nationwide protests against the ties between politicians, police and the drug cartels. Now there are growing calls for change. More Journal Reporters: http://www.dw.de/program/journal/s-3232-9798
