Was that sound? >> are you the mother? >> yes. >> reporter: she says her child was alone in the car for 45 minutes while she was shopping. and according to the police report the temperature inside the car reached above 120 degrees. child was treated at a nearby hospital and released a day later. her mother was arrested and charged with child abuse. >> that was nbc's stephanie gosk reporting for us. coming up next the piece of the wing fragment that could be from mh-370 now headed off to france for further analysis. how could that analysis impact the search for the potential crash site? we're...