Family Calls Police on 'Dangerous' Dog—Then an Officer Spots One Terrifying Clue

It started on a Monday, a night that should have been calm. Leo had just fallen asleep when a low growl rumbled through the floor. Suddenly Duke was at the nursery door, barking frantically. The noise jolted Leo awake, and he started crying. Sarah rushed in to comfort the baby, but Duke followed, pacing around the crib like a caged animal.