A chocolate lab named Cooper, sits next to his handler Rick Cox (left) outside the decontamination tent at the SR530 mudslide during a demonstration for the media near Oso, Washington on April 8, 2014. Cooper and Cox are part of the 20 FEMA Urban Search and Rescue teams deployed to help with recovery efforts. The dogs work 4-8 hours in the field and are assisted by vets and vet techs. Today, 35 people are confirmed dead in the SR530 slide, according to the Snohomish County Medical Examiner. Thirty-one of those victims have been identified. Up to 11 people are still missing, according to the Snohomish County Sheriff’s Office.