A south Texas sheriff's department with dwindling resources struggles to cope with a growing immigration crisis.  Part four of Beyond the Border, a series from The Texas Observer and the Guardianhttp://interactive.guim.co.uk/2014/07/texas/upload-assets/video/4_loop.mp4 By Melissa del Bosque, The Texas Observer, and the Guardian US interactive teamRecovering human remains in the heat of a South Texas summer is More