They are like sniffing dogs that have been given a whiff of a scent and are taught to disregard everything else.

Unlike more common sniffing dogs, they take the initiative in searching.

Japanese authorities aggressively pursue drug smugglers with sophisticated detection equipment, "sniffing" dogs, and other methods.

In light of Babar's attendance, security at the national capital courthouse was extremely tight, with bomb sniffing dogs, and metal detectors outside the building's premises.

Like sniffing dogs, grinning and slobbering, trying to find out where that smell is.

"We do 100 percent screening using X-rays, physical checks and bomb sniffing dogs."

The Federal Reserve sent bomb sniffing dogs to check the containers during the installation.

Jay-Z refused to let the police search the car and the police called for the drug sniffing dogs.

"Even the (corpse) sniffing dogs are tired," she said.

The Clever Hans Effect has also been observed in drug sniffing dogs.