On Tuesday, Pima County Sheriff Deputy Ahern’s canine partner "Kilo" had to be euthanized due to a sudden spinal cord injury that paralyzed the back half of his body. The injury occurred while Kilo was off duty and chasing a toy in Deputy Ahern’s back yard.

Kilo was taken to the Veterinary Specialty Center of Tucson, where he was diagnosed with trauma to his spinal cord from a broken piece of spinal disk.

The veterinarians treated Kilo with every procedure available to them. Unfortunately, they were unable to restore any movement in

Kilo’s rear legs.

Kilo was purchased by the Pima County Sheriff’s Department in November 2010 and was assigned to Deputy Ahern. After 12 weeks of basic training, Deputy Ahern and Kilo were certified by the National Police Canine Association in the specialties of narcotics detection and


Kilo was known as an extremely social and friendly dog who loved to work. Together, Deputy Ahern and Kilo found numerous suspects that fled from deputies. They were one of the most productive narcotics teams in the history of the Pima County Sheriff’s Department Canine Unit.

Since February 2011, Deputy Ahern and Kilo conducted 263 narcotics searches. These searches resulted in numerous narcotics and currency seizures. The combined total of Kilo’s seizures was 4,723 pounds of marijuana, 43 pounds of cocaine, 4 pounds of methamphetamine, ½ pound of heroin, and $1,059,412 in United States currency.

One of Kilo’s most notable seizures was made on August 28, 2013. Deputy Ahern and Kilo conducted a narcotics search of a commercial tractor trailer and Kilo alerted to a wooden crate containing a large safe. As a result of this alert, the crate was ultimately opened and over $300,000 of suspected drug related currency was located inside of the safe.

A picture of Kilo lying on the hood of a patrol vehicle is located in the hallways of the Administrative Services Division and in the Support Operations Division.

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