On April 18, the San Bernardino County Sheriff’s Department was alerted to a family who was searching for a 49-year-old woman. The woman, who had a traumatic brain injury, was reported missing after she failed to return home from a walk. Authorities searched for hours but had no luck tracking the woman down. That’s when deputies decided to call in Keva and Naji, two bloodhounds they hoped could help lead them to the woman. Working off a scent from the woman’s pillow, Naji and Keva set off quickly, hot on the trail. “She’s on a 15-foot leash attached to her...