Many dogs are trained to search for drugs, although some are bomb or gun sniffers. Police dogs are able to track missing or suspicious people. Specialized training can make a dog capable of detecting illegal drugs. Patrol Dogs The sense of smell is almost 50 times more sensitive than that of humans. A dog can sniff out criminals, drugs, weapons and bombs in situations where a police officer may search the place – a dangerous task. With its sensitive nose a trained dog can identify suspicious things. A dog's sense of smell is demanding. It is able to discern a specific scent. Drug traffickers try to fool drug-sniffing dogs by wrapping drugs in perfume-soaked towels. Dogs can find drugs accurately. A police dog can prevent physical confrontations. Dogs are faster and stronger than most humans and are capable of catching a fleeing criminal and pinning him down with powerful jaws to capture the suspect until more officers arrive. Trained police dogs are famous for catching criminals around the world. Police dogs are recognized for law enforcement. The use of police dogs has grown