Police rushed to the home about 11:15 p.m. Friday after Phoebe DiPietro, the missing childs grandmother, called to say
somebody was throwing something through the windows.
Police found no such objects there, leading them to believe the attacker broke the windows with a bat or similar object.
http://news.bostonherald.com/news/regional/view.bg?articleid=1401170
Did Phoebe not realize the police would look for objects that could not be found?
Was she just scared and knew the window was broken and she had heard a noise and thought objects were being thrown or...........