Martin Kaste is a correspondent on NPR's National Desk. He covers law enforcement and privacy. He has been focused on police and use of force since before the 2014 protests in Ferguson, and that coverage led to the creation of NPR's Criminal Justice Collaborative.
A lot of colleges have cracked down on student protesters. Some have called in police to break up encampments and arresting protesting students. That's created a lot of angry parents.