(WXYZ) - The Michigan Humane Society Animal Cruelty Investigators respond to about 5,000 complaint calls every year on average.
Already this year, they've responded to more than 200 complaints.
Most of the cases involved dogs that have been abandoned or left outside in the cold.
7 Action News Anchor Alicia Smith goes behind the scenes with a couple of investigators. Watch the video to see the animal rescues.