NEW : `` I ca n't imagine a mother doing this to a child , '' In a Friday interview with the Tracy Press newspaper , Huckaby acknowledged owning the black rolling suitcase that held Sandra 's body , but said she reported it missing the day before the girl 's body was found . Sandra Cantu 's aunt says . The woman who was killed in the crash is identified as Jennifer Cantu. Suspect 's daughter was Sandra 's friend , playmate . Melissa Huckaby was arrested on charges of kidnapping and murder , police say . Body of Sandra , 8 , was found Monday stuffed in a suitcase submerged in a pond .
NEW : `` I ca n't imagine a mother doing this to a child , '' Sandra Cantu 's aunt says . The woman who was killed in the crash is identified as Jennifer Cantu. Suspect 's daughter was Sandra 's friend , playmate . Melissa Huckaby was arrested on charges of kidnapping and murder , police say . Body of Sandra , 8 , was found Monday stuffed in a suitcase submerged in a pond .