It's not just McGruff who's taking a chunk out of the criminal underworld.
It has been found that there is a correlation between the number of dogs in an area & the reduced rates of homicide, robbery, & assault that occur in that community.
On the other hand, it would appear that cats are not effective at all in the field of law enforcement.
How do dogs do it? by coercing their owner to get up off the couch & onto the walkway where they belong.
"People who walk their dogs are basically patrolling their areas," said Nicolo Pinchak, a doctorate student at Ohio State University.
"They see when things are not right & when there are suspicious outsiders in the region," the author writes.
It may serve as a deterrence." Between the years of 2014 & 2016, Pinchak & his co-authors conducted research on 595 census block groups in Columbus, Ohio.
They contrasted the survey results from a marketing company that asked people if they had a dog at home with the crime statistics that were collected in those neighbourhoods.
The incidence of robberies was reduced by three quarters & the rate of homicides was cut in half in communities where there were a lot of dogs.
But not as many as in neighbourhoods where there were fewer dogs. It was shown that the presence of dogs in an area had a greater impact on the overall crime rate,