AmagansettTiina the Store had been particularly busy on Aug. 5, Tiina Laakkonen, the owner, told police a few days later. She noticed a woman behaving oddly, she said, but was distracted and could not monitor her every move. The woman left without making a purchase. Later, a top designed by Gareth Casey of Paris was discovered missing. Casey Casey blouses, which draw inspiration from French workwear, retail for over $500.East HamptonA mailbox at an Accabonac Road residence was stolen sometime between Aug. 2 and Aug. 4.