K9 Frankie is a male German Shepherd originally from Hungary.  K9 Frankie was trained at Castle's K9.  Officer Bowen and Frankie are dual-certified in patrol work, including tracking, narcotics, and article searches.
 

K9 Zeus is a male German Shepherd and Belgian Malinois mix, and was acquired from Castle's K9 in December 2009.

In March 2009, K9 Vanto, a male German Shepherd, was retired due to medical reasons. 

A canine has remarkable olfactory and hearing senses that allow them to perform functions that can assist patrol officers. The canine handler team can be used in support of the patrol officers in the following situations:

Tracking- the canine tracks human scent. Tracking is used mostly is tracking suspects from the scene of various crimes.

Building Searches- the canine can search buildings and homes where alarms have been received or crimes in progress have been detected.

Crime Scene Searching- the canine can point out objects within an area on the ground that are of evidentiary value.

Open Area Searches- locating dangerous and hiding suspects that could pose a danger to officers in open vegetated areas.

Narcotics Detection- locating the presence of hidden narcotics in vehicles, buildings, or other structures.

Criminal Apprehension- the canine may be called upon to apprehend and contain a fleeing suspect, preventing the use of greater force to subdue a fleeing suspect or combative suspect.