Melissa Huckaby, the Sunday school teacher accused of kidnapping, raping, and murdering an 8-year-old girl in California, pleaded not guilty today, KPIX-TV reports. Sandra Cantu, a playmate of 28-year-old Huckaby’s daughter, was found in a suitcase in a nearby pond in April. A preliminary hearing is scheduled for September. Prosecutors had been pressing for a plea while Huckaby’s lawyer reviewed evidence. (More Melissa Huckaby stories.)