In this case, the property owner in Whiteside County was concerned for the safety of their horses and other pets.
Mountain lions (i.e., cougars) are predators and they need a large hunting territory. They can move several hundred miles in a single day. A mountain lion that has been relocated is not going to stay where they are released.
In addition, relocation is dangerous both for the animal being relocated and for the people who conduct the relocation.
For more information you can contact: Daniel R. Ludwig, PhD Regional Wildlife Biologist - North and East Central IL Illinois Department of Natural Resources 847-608-3100 X 32047