WILLIAMSON COUNTY, IL (KFVS) - Hot on the trail to find a missing person, a K-9 team from Wisconsin is just one of dozens getting national certification in Williamson County this weekend.
Nearly 30 K-9s and their handlers are going through the America Working Dog Association certification process, also known as AWADA.
It's a pass or fail certification for disaster. They used wilderness and human remains such as teeth and dried blood for tracking and trailing.
"Ruby did about a mile and a half on a trail at five hours old," said Bonnie Skoffic with the Hardin County Fire Department. "She actually had two victims at the end of her trail and she had to identify which victim she scented to look for, and she did that."
Teams from seven states also worked trails up until midnight Saturday night, all taking place in a remote area of the Crab Orchard Wildlife Refuge.
The teams were from Wisconsin, Tennessee, Missouri, Illinois, Kansas and Indiana.
Certification and re-certification wraps up on Monday.