his blood has been tested at two independent laboratories. both found ethylene glycol in ryan's system. and the autopsy revealed calcium oxalate crystals in ryan's brian, consistent with ethylene glycol poisoning. tests on ryan's baby bottle also found trace amounts of ethylene glycol. >> everyone was saying there was ethylene glycol in the body. tests from different laboratories showed that. and everyone agreed if there's ethylene glycol in the body, it wasn't mma that killed the child. >> so the murder case against patricia stallings went to trial. prosecutors were seeking the death penalty. despite the genetic illness diagnosed in d.j., patricia stallings' defense attorney could not produce one medical expert to testify that it was mma and not antifreeze poisoning that caused ryan's death.