A Sunday school teacher has been arrested and charged with kidnapping and murder a Tracy girl whose body was found in a suitcase. Tracy Police Sgt. Tony Sheneman says 28-year-old Melissa Huckaby was arrested late Friday night after voluntarily going to police for questioning about the death of 8-year-old Sandra Cantu. "She gave enough information to us during the course of the interview that probable cause was there to arrest her," Sheneman… Keep reading