K9 Oso and his handler Heather passed the KCSD airscent pre-test on Saturday finding both his ‘subjects’ in less than 90 minutes. The team is now available for missions within King County. Oso is an expert locksmith/escape artist as well as an up-and-coming search dog and is named after Oso, Washington where Heather participated in the search activities after the tragic 2014 landslide.