Today, the study is no longer funded, and only continues with the sale of the foxes as pets.
Most suggest the domesticated version has less adrenalin, and perhaps less testosterone.
The foxes changed color and began to develop patches in their coats, sometimes their tails turned curly and their ears flopped down.
Officers were chasing the suspect by car, then later on foot.
Many other fox species are endangered or threatened, unable to adapt to human encroachment, while the red fox enjoys healthy populations all over the world.
When officers spotted the suspect, he started shooting.