They say that this is the proper way to treat a pest. Trap them without hurting or killing them. Once they are trapped, they can be set free in an area that is far from your home. Setting them free in your backyard is like taking them for a walk in the park. They can easily come back due to their homing instincts. They are like Hansel and Gretel following the trail that they left when they got lost in the woods.