He was continuously tied out in the elements, and his owners were alcoholics that only came home every couple of days. They were violent toward the dog and never walked him.
Kross was so bored, he would certainly dig holes for enjoyable. He was extremely pleasant with rescuers in spite of his past, and he ate up the food they provided. They decided to take him away from this despicable life and give him the care he needed so he could eventually take place to a caring forever home he can call his own.