Trained Police Rats Sniff Out Crime In The Netherlands

Smell A Rat? Oskila via Wikimedia Commons In Rotterdam, the second-largest city in the Netherlands, rats are more than just scurrying subway pests. They're trained crime fighters. The Dutch police have begun training rats to identify certain smells, just like drug-sniffing dogs. They're quick learners, according to Monique Hamerslag, who heads the project. "They need barely 10 to 15 days to learn to distinguish a certain smell," she told AFP. Plus, rats cost far less than trained dogs, both to b...