Security is still on in Mexico for 43 students who went missing last month . Arrest warrants have been issued for town 's mayor and his wife . But it gets worse . Mexicans do n't trust anyone and always assume there is a problem , says Mayor Navarrette . Incident flies in face of efforts to improve Mexico 's image , Navarrette says .
Security is still on in Mexico for 43 students who went missing last month . Arrest warrants have been issued for town 's mayor and his wife . Mexicans do n't trust anyone and always assume there is a problem , says Mayor Navarrette . Incident flies in face of efforts to improve Mexico 's image , Navarrette says .