NEW : Police imply person or persons involved in Sandra Cantu 's disappearance from area . Police went to church near mobile park home where Sandra 's family lived . Sandra was found in suitcase in a dairy - farm pond near her California home . Sandra had been missing since March 2007 from her home in Sacramento , California .
NEW : Police imply person or persons involved in Sandra Cantu 's death from area . Police plan to church near mobile park home where Sandra 's family lived . Sandra was found in suitcase in a dairy-farm pond near her California home . Sandra had been missing since March 27 from her home in Tracy , California .