Nine more Wyoming Highway Patrol K-9s have been trained to detect fentanyl, the agency announced Thursday.

Sgt. Jeremy Beck says the four-legged drug busters, five of whom were purchased using federal grant funds through the Rocky Mountain High Intensity Drug Trafficking Area program, were trained and certified last week.

"In July 2022, The Wyoming Highway Patrol trained and certified Wyoming's first fentanyl-detection canine," Beck said in a news release.

"The safety and success of this pioneering effort have led the Wyoming Highway Patrol to expand this program to the rest of our narcotic detection canine handler teams," he added.

Beck says the process of training the dogs to sniff out the dangerous opioid has been a long, careful, and deliberate one.

"This has been an extensive process, requiring time and resources from many companies to ensure the process is safe," he said.

"The results have been overwhelmingly positive, with no incidents occurring that have endangered our canine partners or handlers," added Beck.

Currently, the WHP has 10 narcotics detection K-9s assigned to field operations and two explosives detection K-9s assigned to Division O in Cheyenne, which is responsible for securing Wyoming's State Capitol, the governor's executive protection, and other dignitaries.

Meet the Four-Legged Heroes of the Cheyenne Police Department

They may not be able to leap tall buildings in a single bound, but make no bones about it, police dogs play a vital role in the fight against crime.

In many situations, they're the first ones to put their lives on the line to protect their human partners, proving that not all heroes wear capes, some wear fur coats.

RANKED: Here Are the 63 Smartest Dog Breeds

Does your loyal pup's breed make the list? Read on to see if you'll be bragging to the neighbors about your dog's intellectual prowess the next time you take your fur baby out for a walk. Don't worry: Even if your dog's breed doesn't land on the list, that doesn't mean he's not a good boy--some traits simply can't be measured.

KEEP LOOKING: See What 50 of America's Most 'Pupular' Dog Breeds Look Like as Puppies