A bomb-sniffing K9 called Tessa detects one last scent before being showered with tennis balls by NYPD officers in a traditional retirement ceremony.

The Leon County Sheriff's Office provides innovative scent kits to improve missing person searches and engage community support.

Instead of training police dogs to sniff vehicles ... house pets in a different way at Elevate Canine Academy in Bismarck. By using special scent packets in tennis balls, they can help owners ...