( CNN ) -- Police said they are pursuing leads in the death of 8-year-old Sandra Cantu , whose body was found Monday stuffed into a suitcase in a dairy-farm pond near her Tracy , California , home . Sandra Cantu , 8 , disappeared March 27 . Her body was found at a dairy-farm pond near her Calilfornia home . `` We are heading in a direction , '' Tracy police Sgt . Tony Sheneman told reporters . `` To comment on that would compromise the investigation , and I ca n't do that . '' A search warrant was executed at the Tracy mobile home park where the girl lived , and a related search was to be conducted Tuesday at a nearby church , he said . He implied more than one person may have been involved in the death of Sandra , who had been missing since March 27 . `` Investigators are looking at additional information they received since yesterday and , hopefully , that will lead us to Sandra 's killers , '' he said . Asked if his use of the plural meant police were looking for more than one person , he responded , `` We have no specific suspects , ma'am . '' Sheneman also implied the killer likely was familiar with the location where the body was found . He said he himself was unfamiliar with the location where the girl 's body was found , despite having lived in the community for nearly 12 years . `` Someone would have to be familiar with that area to know to go there , '' he said . Watch how the suitcase was found » . Sheneman said police had no one in custody , despite having interviewed hundreds of people regarding the case . `` Everyone that we speak to right now is being considered a person of interest , '' he said . `` We 're not eliminating anyone . '' The autopsy was being conducted Tuesday , but it was not clear when the report would be available . `` It 's going to be some time before we hear from the coroner , '' Sheneman said . `` I ca n't tell you when that 's going to be . '' More than 10 search warrants have been executed as part of the investigation and `` a lot '' of evidence has been recovered , Sheneman said . The day Sandra was last reported seen , she returned home from school , kissed her mother and left to play with a friend who lives nearby . A short time later , wearing a pink Hello Kitty T-shirt and black leggings , she left to go to another friend 's home , according to a family spokeswoman . Police said Monday the girl 's clothing helped them identify the body .
2001 : Police removed persons or persons involved in Sandra Martin 's death from area . Police went to church near mobile park home where Sandra 's parents 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 .