Tony Burton at Geo-Mexico wrote a comprehensive overview of the horrifying situation in Guerrero, where the police abducted 43 student protestors, who are now presumed dead. His article contains a lot of interesting links that will fill you in on the details of the story to date. Check it out. If moving pictures are more your oeuvre, Vice News has some good video coverage of the case, including footage of the protests in Mexico City and interviews at the liberal teachers college, where students mourn their disappeared peers. They’ve also created a detailed timeline with background info on the student protestors.