Not A Pleasant Sight

Thomas entered the house with the help of a spare key. As he opened the door he saw the apartment that was filled with garbage that was piled up like its reaching the ceiling. The furniture was broken, there were children’s toys which were literally all over the place in pieces. Some even came under Thomas’s feet that almost made him fall but the broken sofa saved him from falling. But that’s not it. There was more. But how did this all happen?