The heist was worth between $ 500,000 and $ 1 million , said New York Police Department spokesman Sgt . Police say the attacker broke his way through a hallway wall into the home . The family were away during the Christmas holiday . The artwork and other items are valued at as much as $ 1 million .
Police say the attacker broke his way through a hallway wall into the home . The family were away during the Christmas holiday . The artwork and other items are valued at as much as $ 1 million .