My parents lost there cat as of the last day they are moving they locked the cat in the house to go to the

My parents lost there cat as of the last day they are moving they locked the cat in the house to go to the closing when they returned she was gone.. we are not sure if she escaped when they returned or if someone was there after if seen My phone number is Pond Hollow Rd.,Averill Park, NY 12018 long-haired Siamese cat female name is Momo