Hundreds of thousands of immigrants are being kept in immigrant detention centers for crossing a border every year. These centers are increasingly in the hands of private corporations that have profit as their primary goal. It is, therefore, in their interest to keep their population within those walls. This raises the question: Which is the crime? Crossing a border? Or keeping immigrants captive for money? Check out Sara Aguilar’s video of Ana Tijoux singing in solidarity with Chant Down the Walls.