- Name: Belle
- Specialty: Explosives Detection/Search Enhanced Evidence K-9 (S.E.E.K.)
- Breed: Labrador Retriever
- Color: Black
- Sex: Female
- Weight: 60 pounds
- Birthday: September 3, 2018
- Training: ATF National Canine Center, Front Royal, VA
- Handler: Special Agent Canine Handler Russell Withrow
- Location: San Francisco Field Division
She is also an ATF Search Enhanced Evidence K-9 (S.E.E.K.) able to work off leash up to 150 yards away from her handler and detect more than 19,000 distinct odors. K-9 Belle started her training with the Guide Dogs for the Blind organization.
In October 2021, SACH Withrow and K-9 Belle assisted the San Francisco Police Department on a criminal investigation. During a search for evidence, K9 Belle found a firearm hidden inside a compartment in the trunk of a car.